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State
Washington Regulations
Chapter 480-90 WAC Gas companies operations

Last Update: 8/14/06


DISPOSITIONS OF SECTIONS FORMERLY CODIFIED IN THIS CHAPTER
480-90-010 Application of rules. [Order R-5, 480-90-010, filed 6/6/69, effective 10/9/69.] Repealed by Order R-27, filed 7/15/71. See WAC 480-90-011.
480-90-011 Application of rules. [Order R-27, 480-90-011, filed 7/15/71.] Repealed by 01-11-003 (Docket No. UG-990294, General Order No. R-484), filed 5/3/01, effective 6/3/01. Statutory Authority: RCW 80.01.040 and 80.04.160.
480-90-016 Saving clause. [Order R-27, 480-90-016, filed 7/15/71.] Repealed by 01-11-003 (Docket No. UG-990294, General Order No. R-484), filed 5/3/01, effective 6/3/01. Statutory Authority: RCW 80.01.040 and 80.04.160.
480-90-020 Saving clause. [Order R-5, 480-90-020, filed 6/6/69, effective 10/9/69.] Repealed by Order R-27, filed 7/15/71. See WAC 480-90-016.
480-90-021 Glossary. [Statutory Authority: RCW 80.01.040. 95-01-050 (Order R-424, Docket No. UG-940085), 480-90-021, filed 12/13/94, effective 1/13/95; 87-23-028 (Order R-279, Cause No. U-87-590-R), 480-90-021, filed 11/12/87; 84-23-030 (Order R-220, Cause No. U-84-63), 480-90-021, filed 11/15/84; Order R-27, 480-90-021, filed 7/15/71.] Repealed by 01-11-003 (Docket No. UG-990294, General Order No. R-484), filed 5/3/01, effective 6/3/01. Statutory Authority: RCW 80.01.040 and 80.04.160.
480-90-026 Tariffs. [Order R-27, 480-90-026, filed 7/15/71.] Repealed by 01-11-003 (Docket No. UG-990294, General Order No. R-484), filed 5/3/01, effective 6/3/01. Statutory Authority: RCW 80.01.040 and 80.04.160.
480-90-030 Definitions of terms as used in these rules. [Order R-5, 480-90-030, filed 6/6/69, effective 10/9/69.] Repealed by Order R-27, filed 7/15/71. See WAC 480-90-021.
480-90-031 Accounting. [Statutory Authority: RCW 80.01.040. 90-01-058 (Order R-313, Docket No. U-89-3099-R), 480-90-031, filed 12/15/89, effective 1/15/90; 89-12-070 (Order R-302, Docket No. U-89-2641-R), 480-90-031, filed 6/7/89; Order R-27, 480-90-031, filed 7/15/71.] Repealed by 01-11-003 (Docket No. UG-990294, General Order No. R-484), filed 5/3/01, effective 6/3/01. Statutory Authority: RCW 80.01.040 and 80.04.160.
480-90-032 Accounting -- Political information and political education activities. [Statutory Authority: RCW 80.01.040. 86-04-072 (Order R-251, Cause No. U-85-78), 480-90-032, filed 2/5/86.] Repealed by 01-11-003 (Docket No. UG-990294, General Order No. R-484), filed 5/3/01, effective 6/3/01. Statutory Authority: RCW 80.01.040 and 80.04.160.
480-90-036 Finance -- Securities, affiliated interests, transfers of property. [Order R-27, 480-90-036, filed 7/15/71.] Repealed by 01-11-003 (Docket No. UG-990294, General Order No. R-484), filed 5/3/01, effective 6/3/01. Statutory Authority: RCW 80.01.040 and 80.04.160.
480-90-040 Statement of test procedures. [Order R-5, 480-90-040, filed 6/6/69, effective 10/9/69.] Repealed by Order R-27, filed 7/15/71. See WAC 480-90-166.
480-90-041 Availability of information. [Order R-83, 480-90-041, filed 6/30/76; Order R-27, 480-90-041, filed 7/15/71.] Repealed by 01-11-003 (Docket No. UG-990294, General Order No. R-484), filed 5/3/01, effective 6/3/01. Statutory Authority: RCW 80.01.040 and 80.04.160.
480-90-043 Advertising. [Statutory Authority: RCW 80.01.040 and 80.04.160. 81-01-101 (Order R-153, Cause No. U-80-97), 480-90-043, filed 12/23/80.] Repealed by 01-11-003 (Docket No. UG-990294, General Order No. R-484), filed 5/3/01, effective 6/3/01. Statutory Authority: RCW 80.01.040 and 80.04.160.
480-90-046 Application for service. [Order R-27, 480-90-046, filed 7/15/71.] Repealed by 01-11-003 (Docket No. UG-990294, General Order No. R-484), filed 5/3/01, effective 6/3/01. Statutory Authority: RCW 80.01.040 and 80.04.160.
480-90-050 Tariffs. [Order R-5, 480-90-050, filed 6/6/69, effective 10/9/69.] Repealed by Order R-27, filed 7/15/71. See WAC 480-90-026.
480-90-051 Establishment of credit. [Statutory Authority: RCW 80.01.040. 95-01-050 (Order R-424, Docket No. UG-940085), 480-90-051, filed 12/13/94, effective 1/13/95; 87-23-028 (Order R-279, Cause No. U-87-590-R), 480-90-051, filed 11/12/87; 86-07-031 (Order R-255, Cause No. U-85-80), 480-90-051, filed 3/14/86; Order R-83, 480-90-051, filed 6/30/76; Order R-27, 480-90-051, filed 7/15/71.] Repealed by 01-11-003 (Docket No. UG-990294, General Order No. R-484), filed 5/3/01, effective 6/3/01. Statutory Authority: RCW 80.01.040 and 80.04.160.
480-90-056 Refusal of service. [Order R-27, 480-90-056, filed 7/15/71.] Repealed by 01-24-077 (General Order No. R-496, Docket No. UG-990294), filed 12/3/01, effective 1/3/02. Statutory Authority: RCW 80.01.040 and 80.04.160.
480-90-060 Classification of accounts. [Order R-5, 480-90-060, filed 6/6/69, effective 10/9/69.] Repealed by Order R-27, filed 7/15/71.
480-90-061 Contract for service. [Order R-27, 480-90-061, filed 7/15/71.] Repealed by 01-09-002 (Docket No. U-991301, General Order No. R-481), filed 4/4/01, effective 5/5/01. Statutory Authority: RCW 80.04.160 and 80.01.040.
480-90-066 Distribution extensions. [Order R-27, 480-90-066, filed 7/15/71.] Repealed by 01-11-003 (Docket No. UG-990294, General Order No. R-484), filed 5/3/01, effective 6/3/01. Statutory Authority: RCW 80.01.040 and 80.04.160.
480-90-070 Annual reports. [Order R-5, 480-90-070, filed 6/6/69, effective 10/9/69.] Repealed by Order R-27, filed 7/15/71.
480-90-071 Discontinuance of service. [Statutory Authority: RCW 80.01.040. 95-01-050 (Order R-424, Docket No. UG-940085), 480-90-071, filed 12/13/94, effective 1/13/95; 89-17-034 (Order R-305, Docket No. U-89-2707-R), 480-90-071, filed 8/9/89, effective 9/9/89; 88-07-070 (Order R-284, Cause No. U-87-1525-R) 480-90-071, filed 3/18/88; 87-23-028 (Order R-279, Cause No. U-87-590-R), 480-90-071, filed 11/12/87; 84-23-030 (Order R-220, Cause No. U-84-63), 480-90-071, filed 11/15/84. Statutory Authority: RCW 80.01.040 and 80.04.160. 81-01-101 (Order R-153, Cause No. U-80-97), 480-90-071, filed 12/23/80; Order R-83, 480-90-071, filed 6/30/76; Order R-27, 480-90-071, filed 7/15/71.] Repealed by 01-11-003 (Docket No. UG-990294, General Order No. R-484), filed 5/3/01, effective 6/3/01. Statutory Authority: RCW 80.01.040 and 80.04.160.
480-90-072 Payment arrangements and responsibilities. [Statutory Authority: RCW 80.01.040. 95-01-050 (Order R-424, Docket No. UG-940085), 480-90-072, filed 12/13/94, effective 1/13/95; 87-23-028 (Order R-279, Cause No. U-87-590-R), 480-90-072, filed 11/12/87; 84-23-030 (Order R-220, Cause No. U-84-63), 480-90-072, filed 11/15/84.] Repealed by 01-11-003 (Docket No. UG-990294, General Order No. R-484), filed 5/3/01, effective 6/3/01. Statutory Authority: RCW 80.01.040 and 80.04.160.
480-90-076 Service responsibilities. [Order R-27, 480-90-076, filed 7/15/71.] Repealed by 01-11-003 (Docket No. UG-990294, General Order No. R-484), filed 5/3/01, effective 6/3/01. Statutory Authority: RCW 80.01.040 and 80.04.160.
480-90-080 Information available. [Order R-5, 480-90-080, filed 6/6/69, effective 10/9/69.] Repealed by Order R-27, filed 7/15/71. See WAC 480-90-041.
480-90-081 Service connections. [Order R-27, 480-90-081, filed 7/15/71.] Repealed by 01-11-003 (Docket No. UG-990294, General Order No. R-484), filed 5/3/01, effective 6/3/01. Statutory Authority: RCW 80.01.040 and 80.04.160.
480-90-086 Service entrance. [Order R-27, 480-90-086, filed 7/15/71.] Repealed by 01-11-003 (Docket No. UG-990294, General Order No. R-484), filed 5/3/01, effective 6/3/01. Statutory Authority: RCW 80.01.040 and 80.04.160.
480-90-090 Complaints. [Order R-5, 480-90-090, filed 6/6/69, effective 10/9/69.] Repealed by Order R-27, filed 7/15/71. See WAC 480-90-096.
480-90-091 Access to premises. [Order R-27, 480-90-091, filed 7/15/71.] Repealed by 01-11-003 (Docket No. UG-990294, General Order No. R-484), filed 5/3/01, effective 6/3/01. Statutory Authority: RCW 80.01.040 and 80.04.160.
480-90-096 Complaints and disputes. [Statutory Authority: RCW 80.01.040. 95-01-050 (Order R-424, Docket No. UG-940085), 480-90-096, filed 12/13/94, effective 1/13/95; Order R-83, 480-90-096, filed 6/30/76; Order R-27, 480-90-096, filed 7/15/71.] Repealed by 01-11-003 (Docket No. UG-990294, General Order No. R-484), filed 5/3/01, effective 6/3/01. Statutory Authority: RCW 80.01.040 and 80.04.160.
480-90-100 Record of complaints. [Order R-5, 480-90-100, filed 6/6/69, effective 10/9/69.] Repealed by Order R-27, filed 7/15/71. See WAC 480-90-096.
480-90-101 Quality of gas. [Order R-27, 480-90-101, filed 7/15/71.] Repealed by 01-11-003 (Docket No. UG-990294, General Order No. R-484), filed 5/3/01, effective 6/3/01. Statutory Authority: RCW 80.01.040 and 80.04.160.
480-90-106 Form of bills. [Order R-83, 480-90-106, filed 6/30/76; Order R-27, 480-90-106, filed 7/15/71.] Repealed by 01-11-003 (Docket No. UG-990294, General Order No. R-484), filed 5/3/01, effective 6/3/01. Statutory Authority: RCW 80.01.040 and 80.04.160.
480-90-110 Filing of records and reports. [Order R-5, 480-90-110, filed 6/6/69, effective 10/9/69.] Repealed by Order R-27, filed 7/15/71. See WAC 480-90-181.
480-90-111 Dispute as to billing. [Order R-27, 480-90-111, filed 7/15/71.] Repealed by Order R-83, filed 6/30/76.
480-90-116 Refunds for inaccurate metering. [Order R-27, 480-90-116, filed 7/15/71.] Repealed by 01-11-003 (Docket No. UG-990294, General Order No. R-484), filed 5/3/01, effective 6/3/01. Statutory Authority: RCW 80.01.040 and 80.04.160.
480-90-120 Identification of employees. [Order R-5, 480-90-120, filed 6/6/69, effective 10/9/69.] Repealed by Order R-27, filed 7/15/71. See WAC 480-90-091.
480-90-121 Responsibility for delinquent accounts. [Order R-27, 480-90-121, filed 7/15/71.] Repealed by 01-24-077 (General Order No. R-496, Docket No. UG-990294), filed 12/3/01, effective 1/3/02. Statutory Authority: RCW 80.01.040 and 80.04.160.
480-90-126 Meter reading. [Order R-27, 480-90-126, filed 7/15/71.] Repealed by 01-11-003 (Docket No. UG-990294, General Order No. R-484), filed 5/3/01, effective 6/3/01. Statutory Authority: RCW 80.01.040 and 80.04.160.
480-90-130 Application for service. [Order R-5, 480-90-130, filed 6/6/69, effective 10/9/69.] Repealed by Order R-27, filed 7/15/71. See WAC 480-90-046.
480-90-131 Installation of meter set assembly (MSA). [Order R-27, 480-90-131, filed 7/15/71.] Repealed by 01-11-003 (Docket No. UG-990294, General Order No. R-484), filed 5/3/01, effective 6/3/01. Statutory Authority: RCW 80.01.040 and 80.04.160.
480-90-136 Location of meter set assembly. [Order R-27, 480-90-136, filed 7/15/71.] Repealed by 01-11-003 (Docket No. UG-990294, General Order No. R-484), filed 5/3/01, effective 6/3/01. Statutory Authority: RCW 80.01.040 and 80.04.160.
480-90-140 Contract for service. [Order R-5, 480-90-140, filed 6/6/69, effective 10/9/69.] Repealed by Order R-27, filed 7/15/71. See WAC 480-90-061.
480-90-141 Identification of meters. [Order R-27, 480-90-141, filed 7/15/71.] Repealed by 01-11-003 (Docket No. UG-990294, General Order No. R-484), filed 5/3/01, effective 6/3/01. Statutory Authority: RCW 80.01.040 and 80.04.160.
480-90-146 Initial accuracy of meters. [Order R-27, 480-90-146, filed 7/15/71.] Repealed by 01-11-003 (Docket No. UG-990294, General Order No. R-484), filed 5/3/01, effective 6/3/01. Statutory Authority: RCW 80.01.040 and 80.04.160.
480-90-150 Deposits. [Order R-5, 480-90-150, filed 6/6/69, effective 10/9/69.] Repealed by Order R-27, filed 7/15/71. See WAC 480-90-051.
480-90-151 Metering tolerance. [Order R-27, 480-90-151, filed 7/15/71.] Repealed by 01-11-003 (Docket No. UG-990294, General Order No. R-484), filed 5/3/01, effective 6/3/01. Statutory Authority: RCW 80.01.040 and 80.04.160.
480-90-156 Dispute as to meter accuracy. [Order R-27, 480-90-156, filed 7/15/71.] Repealed by 01-11-003 (Docket No. UG-990294, General Order No. R-484), filed 5/3/01, effective 6/3/01. Statutory Authority: RCW 80.01.040 and 80.04.160.
480-90-160 Discontinuance of service by customer. [Order R-5, 480-90-160, filed 6/6/69, effective 10/9/69.] Repealed by Order R-27, filed 7/15/71. See WAC 480-90-071.
480-90-161 Complaint meter test. [Order R-27, 480-90-161, filed 7/15/71.] Repealed by 01-11-003 (Docket No. UG-990294, General Order No. R-484), filed 5/3/01, effective 6/3/01. Statutory Authority: RCW 80.01.040 and 80.04.160.
480-90-166 Statement of meter test procedures. [Statutory Authority: RCW 80.01.040. 95-01-050 (Order R-424, Docket No. UG-940085), 480-90-166, filed 12/13/94, effective 1/13/95; Order R-27, 480-90-166, filed 7/15/71.] Repealed by 01-11-003 (Docket No. UG-990294, General Order No. R-484), filed 5/3/01, effective 6/3/01. Statutory Authority: RCW 80.01.040 and 80.04.160.
480-90-170 Discontinuance of service by utility. [Order R-5, 480-90-170, filed 6/6/69, effective 10/9/69.] Repealed by Order R-27, filed 7/15/71. See WAC 480-90-071.
480-90-171 Frequency of periodic meter tests. [Statutory Authority: RCW 80.01.040. 95-01-050 (Order R-424, Docket No. UG-940085), 480-90-171, filed 12/13/94, effective 1/13/95; Order R-27, 480-90-171, filed 7/15/71.] Repealed by 01-11-003 (Docket No. UG-990294, General Order No. R-484), filed 5/3/01, effective 6/3/01. Statutory Authority: RCW 80.01.040 and 80.04.160.
480-90-176 Meter history records. [Order R-27, 480-90-176, filed 7/15/71.] Repealed by 01-11-003 (Docket No. UG-990294, General Order No. R-484), filed 5/3/01, effective 6/3/01. Statutory Authority: RCW 80.01.040 and 80.04.160.
480-90-180 Responsibility for delinquent accounts. [Order R-5, 480-90-180, filed 6/6/69, effective 10/9/69.] Repealed by Order R-27, filed 7/15/71. See WAC 480-90-121.
480-90-181 Filing of records and reports and the preservation of records. [Statutory Authority: RCW 80.01.040. 95-01-050 (Order R-424, Docket No. UG-940085), 480-90-181, filed 12/13/94, effective 1/13/95; Order R-64, 480-90-181, filed 2/13/74; Order R-27, 480-90-181, filed 7/15/71.] Repealed by 01-11-003 (Docket No. UG-990294, General Order No. R-484), filed 5/3/01, effective 6/3/01. Statutory Authority: RCW 80.01.040 and 80.04.160.
480-90-190 Refusal of service. [Order R-5, 480-90-190, filed 6/6/69, effective 10/9/69.] Repealed by Order R-27, filed 7/15/71. See WAC 480-90-056.
480-90-191 Least cost planning. [Statutory Authority: RCW 80.01.040. 87-21-031 (Order R-274, Cause No. U-86-142), 480-90-191, filed 10/12/87.] Repealed by 01-11-003 (Docket No. UG-990294, General Order No. R-484), filed 5/3/01, effective 6/3/01. Statutory Authority: RCW 80.01.040 and 80.04.160.
480-90-200 Quality of gas. [Order R-5, 480-90-200, filed 6/6/69, effective 10/9/69.] Repealed by Order R-27, filed 7/15/71. See WAC 480-90-101.
480-90-201 Prohibited fixtures. [Statutory Authority: RCW 80.01.040(4) and 80.04.160. 79-11-134 (Order R-133, Cause No. U-79-45), 480-90-201, filed 11/7/79.] Repealed by 89-08-030 (Order R-297, Docket No. U-88-1867-R), filed 3/30/89. Statutory Authority: RCW 80.01.040.
480-90-206 Exemptions fixtures. [Statutory Authority: RCW 80.01.040(4) and 80.04.160. 79-11-134 (Order R-133, Cause No. U-79-45), 480-90-206, filed 11/7/79.] Repealed by 89-08-030 (Order R-297, Docket No. U-88-1867-R), filed 3/30/89. Statutory Authority: RCW 80.01.040.
480-90-208 Financial reporting requirements. [Statutory Authority: RCW 80.01.040, 80.04.160, 81.04.160, and 2003 c 296. 04-05-031 (Docket No. A-031232, General Order No. R-512), 480-90-208, filed 2/11/04, effective 3/13/04. Statutory Authority: RCW 80.01.040, 80.04.160, 81.04.160 and 34.05.353. 02-18-033 (Docket No. A-020379, General Order No. R-501), 480-90-208, filed 8/26/02, effective 9/26/02. Statutory Authority: RCW 80.01.040 and 80.04.160. 01-11-003 (Docket No. UG-990294, General Order No. R-484), 480-90-208, filed 5/3/01, effective 6/3/01.] Repealed by 05-06-051 (Docket No. A-021178 and TO-030288, General Order No. R-518), filed 2/28/05, effective 3/31/05. Statutory Authority: RCW 80.01.040, 80.04.160, 81.04.160 and 34.05.353.
480-90-210 Character of service. [Order R-5, 480-90-210, filed 6/6/69, effective 10/9/69.] Repealed by Order R-27, filed 7/15/71. See WAC 480-90-076.
480-90-211 Business offices and payment agencies. [Statutory Authority: RCW 80.01.040. 95-01-050 (Order R-424, Docket No. UG-940085), 480-90-211, filed 12/13/94, effective 1/13/95.] Repealed by 01-11-003 (Docket No. UG-990294, General Order No. R-484), filed 5/3/01, effective 6/3/01. Statutory Authority: RCW 80.01.040 and 80.04.160.
480-90-216 Prohibited service. [Statutory Authority: RCW 80.01.040(4) and 80.04.160. 79-11-134 (Order R-133, Cause No. U-79-45), 480-90-216, filed 11/7/79.] Repealed by 89-08-030 (Order R-297, Docket No. U-88-1867-R), filed 3/30/89. Statutory Authority: RCW 80.01.040.
480-90-218 Securities, affiliated interests, and transfers of property. [Statutory Authority: RCW 80.01.040 and 80.04.160. 01-11-003 (Docket No. UG-990294, General Order No. R-484), 480-90-218, filed 5/3/01, effective 6/3/01.] Repealed by 05-06-051 (Docket No. A-021178 and TO-030288, General Order No. R-518), filed 2/28/05, effective 3/31/05. Statutory Authority: RCW 80.01.040, 80.04.160, 81.04.160 and 34.05.353.
480-90-220 Change in character of service. [Order R-5, 480-90-220, filed 6/6/69, effective 10/9/69.] Repealed by Order R-27, filed 7/15/71. See WAC 480-90-076.
480-90-221 Exemptions -- Prohibited service -- Lighting of historical significance. [Statutory Authority: RCW 80.01.040(4) and80.04.160 . 79-11-134 (Order R-133, Cause No. U-79-45), 480-90-221, filed 11/7/79.] Repealed by 89-08-030 (Order R-297, Docket No. U-88-1867-R), filed 3/30/89. Statutory Authority: RCW 80.01.040.
480-90-226 Exemptions -- Prohibited service -- Memorial lighting. [Statutory Authority: RCW 80.01.040(4) and 80.04.160. 79-11-134 (Order R-133, Cause No. U-79-45), 480-90-226, filed 11/7/79.] Repealed by 89-08-030 (Order R-297, Docket No. U-88-1867-R), filed 3/30/89. Statutory Authority: RCW 80.01.040.
480-90-230 Pressure variation. [Order R-5, 480-90-230, filed 6/6/69, effective 10/9/69.] Repealed by Order R-27, filed 7/15/71. See WAC 480-90-076.
480-90-231 Exemptions -- Prohibited service -- Commercial lighting of a traditional nature. [Statutory Authority: RCW 80.01.040 and 80.04.160. 81-09-009 (Order R-161, Cause No. U-81-13), 480-90-231, filed 4/8/81. Statutory Authority: RCW 80.01.040(4) and 80.04.160. 79-11-134 (Order R-133, Cause No. U-79-45), 480-90-231, filed 11/7/79.] Repealed by 89-08-030 (Order R-297, Docket No. U-88-1867-R), filed 3/30/89. Statutory Authority: RCW 80.01.040.
480-90-240 Changes in use. [Order R-5, 480-90-240, filed 6/6/69, effective 10/9/69.] Repealed by Order R-27, filed 7/15/71. See WAC 480-90-076.
480-90-241 Exemptions -- Prohibited service -- Safety of persons and property. [Statutory Authority: RCW 80.01.040 and 80.04.160. 81-09-009 (Order R-161, Cause No. U-81-13), 480-90-241, filed 4/8/81. Statutory Authority: RCW 80.01.040(4) and 80.04.160. 79-11-134 (Order R-133, Cause No. U-79-45), 480-90-241, filed 11/7/79.] Repealed by 89-08-030 (Order R-297, Docket No. U-88-1867-R), filed 3/30/89. Statutory Authority: RCW 80.01.040.
480-90-246 Exemptions -- Prohibited service -- Substantial expense and not cost justified. [Statutory Authority: RCW 80.01.040 and 80.04.160. 81-09-009 (Order R-161, Cause No. U-81-13), 480-90-246, filed 4/8/81. Statutory Authority: RCW 80.01.040(4) and 80.04.160. 79-11-134 (Order R-133, Cause No. U-79-45), 480-90-246, filed 11/7/79.] Repealed by 89-08-030 (Order R-297, Docket No. U-88-1867-R), filed 3/30/89. Statutory Authority: RCW 80.01.040.
480-90-250 Adequacy and continuity of service. [Order R-5, 480-90-250, filed 6/6/69, effective 10/9/69.] Repealed by Order R-27, filed 7/15/71. See WAC 480-90-076.
480-90-251 Exemptions -- Prohibited service -- Public interest. [Statutory Authority: RCW 80.01.040(4) and 80.04.160. 79-11-134 (Order R-133, Cause No. U-79-45), 480-90-251, filed 11/7/79.] Repealed by 89-08-030 (Order R-297, Docket No. U-88-1867-R), filed 3/30/89. Statutory Authority: RCW 80.01.040.
480-90-256 Exemptions -- Stays. [Statutory Authority: RCW 80.01.040(4) and 80.04.160. 79-11-134 (Order R-133, Cause No. U-79-45), 480-90-256, filed 11/7/79.] Repealed by 89-08-030 (Order R-297, Docket No. U-88-1867-R), filed 3/30/89. Statutory Authority: RCW 80.01.040.
480-90-260 Distribution extensions. [Order R-5, 480-90-260, filed 6/6/69, effective 10/9/69.] Repealed by Order R-27, filed 7/15/71. See WAC 480-90-066.
480-90-261 Temporary exemption -- Time to install substitute lighting. [Statutory Authority: RCW 80.01.040(4) and80.04.160 . 79-11-134 (Order R-133, Cause No. U-79-45), 480-90-261, filed 11/7/79.] Repealed by 89-08-030 (Order R-297, Docket No. U-88-1867-R), filed 3/30/89. Statutory Authority: RCW 80.01.040.
480-90-266 Utility to notify customer. [Statutory Authority: RCW 80.01.040(4) and 80.04.160. 79-11-134 (Order R-133, Cause No. U-79-45), 480-90-266, filed 11/7/79.] Repealed by 89-08-030 (Order R-297, Docket No. U-88-1867-R), filed 3/30/89. Statutory Authority: RCW 80.01.040.
480-90-270 Service connections. [Order R-5, 480-90-270, filed 6/6/69, effective 10/9/69.] Repealed by Order R-27, filed 7/15/71. See WAC 480-90-081.
480-90-271 Petitions for exemption. [Statutory Authority: RCW 80.01.040(4) and 80.04.160. 79-11-134 (Order R-133, Cause No. U-79-45), 480-90-271, filed 11/7/79.] Repealed by 89-08-030 (Order R-297, Docket No. U-88-1867-R), filed 3/30/89. Statutory Authority: RCW 80.01.040.
480-90-276 Action for failure to comply. [Statutory Authority: RCW 80.01.040(4) and 80.04.160. 79-11-134 (Order R-133, Cause No. U-79-45), 480-90-276, filed 11/7/79.] Repealed by 89-08-030 (Order R-297, Docket No. U-88-1867-R), filed 3/30/89. Statutory Authority: RCW 80.01.040.
480-90-280 Service entrance. [Order R-5, 480-90-280, filed 6/6/69, effective 10/9/69.] Repealed by Order R-27, filed 7/15/71. See WAC 480-90-086.
480-90-281 Procedure for unknown prohibited use. [Statutory Authority: RCW 80.01.040(4) and 80.04.160. 79-11-134 (Order R-133, Cause No. U-79-45), 480-90-281, filed 11/7/79.] Repealed by 89-08-030 (Order R-297, Docket No. U-88-1867-R), filed 3/30/89. Statutory Authority: RCW 80.01.040.
480-90-286 Failure of utility to comply. [Statutory Authority: RCW 80.01.040(4) and 80.04.160. 79-11-134 (Order R-133, Cause No. U-79-45), 480-90-286, filed 11/7/79.] Repealed by 89-08-030 (Order R-297, Docket No. U-88-1867-R), filed 3/30/89. Statutory Authority: RCW 80.01.040.
480-90-290 Access to premises. [Order R-5, 480-90-290, filed 6/6/69, effective 10/9/69.] Repealed by Order R-27, filed 7/15/71. See WAC 480-90-091.
480-90-300 Forms of bills. [Order R-5, 480-90-300, filed 6/6/69, effective 10/9/69.] Repealed by Order R-27, filed 7/15/71. See WAC 480-90-106.
480-90-310 Dispute as to bills. [Order R-5, 480-90-310, filed 6/6/69, effective 10/9/69.] Repealed by Order R-27, filed 7/15/71. See WAC 480-90-111.
480-90-320 Location of meter and regulator. [Order R-5, 480-90-320, filed 6/6/69, effective 10/9/69.] Repealed by Order R-27, filed 7/15/71. See WAC 480-90-136.
480-90-330 Installation of meters. [Order R-5, 480-90-330, filed 6/6/69, effective 10/9/69.] Repealed by Order R-27, filed 7/15/71. See WAC 480-90-131.
480-90-340 Meter reading. [Order R-5, 480-90-340, filed 6/6/69, effective 10/9/69.] Repealed by Order R-27, filed 7/15/71. See WAC 480-90-126.
480-90-350 Determination of maximum demand. [Order R-5, 480-90-350, filed 6/6/69, effective 10/9/69.] Repealed by Order R-27, filed 7/15/71. See WAC 480-90-106.
480-90-360 Initial accuracy of meters. [Order R-5, 480-90-360, filed 6/6/69, effective 10/9/69.] Repealed by Order R-27, filed 7/15/71. See WAC 480-90-146.
480-90-370 Permissible error. [Order R-5, 480-90-370, filed 6/6/69, effective 10/9/69.] Repealed by Order R-27, filed 7/15/71. See WAC 480-90-151.
480-90-380 Method of testing. [Order R-5, 480-90-380, filed 6/6/69, effective 10/9/69.] Repealed by Order R-27, filed 7/15/71.
480-90-390 Frequency of periodic tests. [Order R-5, 480-90-390, filed 6/6/69, effective 10/9/69.] Repealed by Order R-27, filed 7/15/71. See WAC 480-90-171.
480-90-400 Meter history records. [Order R-5, 480-90-400, filed 6/6/69, effective 10/9/69.] Repealed by Order R-27, filed 7/15/71. See WAC 480-90-176.
480-90-410 Dispute as to accuracy of meters. [Order R-5, 480-90-410, filed 6/6/69, effective 10/9/69.] Repealed by Order R-27, filed 7/15/71. See WAC 480-90-156.
480-90-420 Free complaint meter test. [Order R-5, 480-90-420, filed 6/6/69, effective 10/9/69.] Repealed by Order R-27, filed 7/15/71. See WAC 480-90-161.
480-90-430 Fee for extra-complaint meter tests. [Order R-5, 480-90-430, filed 6/6/69, effective 10/9/69.] Repealed by Order R-27, filed 7/15/71. See WAC 480-90-161.
480-90-440 Identification of meters. [Order R-5, 480-90-440, filed 6/6/69, effective 10/9/69.] Repealed by Order R-27, filed 7/15/71. See WAC 480-90-140.
480-90-450 Complaint reports. [Order R-5, 480-90-450, filed 6/6/69, effective 10/9/69.] Repealed by Order R-27, filed 7/15/71.
480-90-460 Refunds for inaccurate metering. [Order R-5, 480-90-460, filed 6/6/69, effective 10/9/69.] Repealed by Order R-27, filed 7/15/71. See WAC 480-90-116.
480-90-470 Meter seals. [Order R-5, 480-90-470, filed 6/6/69, effective 10/9/69.] Repealed by Order R-27, filed 7/15/71. See WAC 480-90-146.
480-90-480 Reports of accidents. [Order R-5, 480-90-480, filed 6/6/69, effective 10/9/69.] Repealed by Order R-27, filed 7/15/71.



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480-90-001
Purpose.
The legislature has declared that operating as a gas utility in the state of Washington is a business affected with the public interest and that such utilities should be regulated. The purpose of these rules is to administer and enforce chapter 80.28 RCW by establishing rules of general applicability and requirements for:

? Consumer protection;

? Financial records and reporting;

? Gas standards and metering.



[Statutory Authority: RCW 80.01.040 and 80.04.160. 01-11-003 (Docket No. UG-990294, General Order No. R-484), 480-90-001, filed 5/3/01, effective 6/3/01.]




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480-90-003
Application of rules.
(1) The rules in this chapter apply to any gas utility that is subject to the jurisdiction of the commission under RCW 80.04.010 and chapter 80.28 RCW. These rules also include various requirements of the utility's customers and applicants.

(2) The tariff provisions filed by utilities must conform with these rules. If the commission accepts a tariff that conflicts with these rules, the acceptance does not constitute a waiver of these rules unless the commission specifically approves the variation consistent with WAC 480-90-008, Exemption from rules in chapter 480-90 WAC. Tariffs that conflict with these rules without approval are superseded by these rules.

(3) Any affected person may ask the commission to review the interpretation of these rules by a utility or customer by posing an informal complaint under WAC 480-07-910, Informal complaints, or by filing a formal complaint under WAC 480-07-370, Pleadings and briefs -- Application for authority -- Protests.

(4) No deviation from these rules is permitted without written authorization by the commission. Violations will be subject to penalties as provided by law.



[Statutory Authority: RCW 80.01.040 and 80.04.160. 03-24-028 (General Order R-510, Docket No. A-010648), 480-90-003, filed 11/24/03, effective 1/1/04; 01-11-003 (Docket No. UG-990294, General Order No. R-484), 480-90-003, filed 5/3/01, effective 6/3/01.]




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480-90-008
Exemptions from rules in chapter 480-90 WAC.
The commission may grant an exemption from the provisions of any rule in this chapter in the same manner and consistent with the standards and according to the procedures set forth in WAC 480-07-110 (Exceptions from and modifications to the rules in this chapter; special rules).



[Statutory Authority: RCW 80.01.040, 80.04.160, 81.04.160 and 34.05.353. 05-06-051 (Docket No. A-021178 and TO-030288, General Order No. R-518), 480-90-008, filed 2/28/05, effective 3/31/05. Statutory Authority: RCW 80.01.040 and 80.04.160. 03-24-028 (General Order R-510, Docket No. A-010648), 480-90-008, filed 11/24/03, effective 1/1/04; 01-11-003 (Docket No. UG-990294, General Order No. R-484), 480-90-008, filed 5/3/01, effective 6/3/01.]




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480-90-013
Additional requirements.
(1) These rules do not relieve any gas utility from any of its duties and obligations under the laws of the state of Washington.

(2) The commission retains the authority to impose additional or different requirements on any gas utility in appropriate circumstances, consistent with the requirements of law.



[Statutory Authority: RCW 80.10.040 and 80.04.160. 01-11-003 (Docket No. UG-990294, General Order No. R-484), 480-90-013, filed 5/3/01, effective 6/3/01.]




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480-90-018
Severability.
If any provision of this chapter or its application to any person or circumstance is held invalid, the remainder of the chapter or the application of the provision to other persons or circumstances is not affected.



[Statutory Authority: RCW 80.01.040 and 80.04.160. 01-11-003 (Docket No. UG-990294, General Order No. R-484), 480-90-018, filed 5/3/01, effective 6/3/01.]




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480-90-023
Definitions.
"Affiliated interest" means a person or corporation as defined in RCW 80.16.010.

"Applicant" means any person, corporation, partnership, government agency, or other entity that applies for service with a gas utility or who reapplies for service at a new or existing location after service has been discontinued.

"British thermal unit" (Btu) means the quantity of heat required to raise the temperature of one pound of water at 60 Fahrenheit and standard pressure, one degree Fahrenheit.

"Business day" means Monday through Friday, 8:00 a.m. until 5:00 p.m., except for official state holidays.

"Commission" means the Washington utilities and transportation commission.

"Control" means the possession, direct or indirect, of the power to direct or cause the direction of the management and policies of a company, whether through the ownership of voting shares, by contract, or otherwise.

"Customer" means any person, corporation, partnership, government agency, or other entity that applied for, has been accepted for, and is currently receiving service.

"Cubic foot of gas" means a volumetric unit of measure used in sales and testing.

"Sales volume" means a cubic foot of gas for billing purposes is the amount of gas that occupies a volume of one cubic foot under the temperature and pressure conditions existing in the customer's meter. Temperature and/or pressure recording or compensating devices may be used to reflect temperature or pressure base conditions for computing the volume sold. Temperature and/or pressure compensation factors may be used to compute the volume of gas sold as provided in the utility's tariff.

"Testing volume" means a cubic foot of gas for testing purposes is the amount that occupies a volume of one cubic foot at a temperature of 60 Fahrenheit and pressure of 14.73 pounds per square inch absolute.

"Gas" means any fuel or process gas, whether liquid petroleum gas, manufactured gas, natural gas, or any mixture of these.

"Liquefied petroleum gas" means a gas consisting of vapors of one or more of the paraffin hydrocarbons, or a combination of one or more of these vapors with air.

"Manufactured gas" means any gas produced artificially by any process.

"Natural gas" means a mixture of gaseous hydrocarbons (chiefly methane) and nonhydrocarbons that occur naturally in the earth.

"Subsidiary" means any company in which the gas utility owns directly or indirectly five percent or more of the voting securities, unless the utility demonstrates it does not have control.

"Therm" means a unit of heat equal to 100,000 Btus.

"Gas utility" (utility) means any business entity (e.g., corporation, company, association, joint stock association, or partnership) or person, including a lessee, trustee, or court appointed receiver, that meets the three following conditions:

Owns, controls, operates, or manages any gas plant in Washington state;

Manufactures, transmits, distributes, sells, or furnishes gas to the public for compensation; and

Is subject to the commission's jurisdiction.

Terms used in this chapter and defined in the public service laws of Washington state (i.e., principally Title 80 RCW) have the same meaning here as in the statutes. Terms not defined in these rules or the applicable statutes have the meaning generally accepted in the gas industry, or their ordinary meaning if there is no meaning generally accepted in the gas industry.



[Statutory Authority: RCW 80.01.040, 80.04.160, 81.04.160 and 34.05.353. 05-06-051 (Docket No. A-021178 and TO-030288, General Order No. R-518), 480-90-023, filed 2/28/05, effective 3/31/05. Statutory Authority: RCW 80.01.040 and 80.04.160. 01-11-003 (Docket No. UG-990294, General Order No. R-484), 480-90-023, filed 5/3/01, effective 6/3/01.]




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480-90-028
Tariffs and special contracts.
A gas utility must publish its rate schedules and rules and regulations governing service, and file special contracts, in accordance with chapter 480-80 WAC, Utilities general -- Tariffs, price lists, and contracts.



[Statutory Authority: RCW 80.10.040 and 80.04.160. 01-11-003 (Docket No. UG-990294, General Order No. R-484), 480-90-028, filed 5/3/01, effective 6/3/01.]




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480-90-033
Distribution line extension tariff.
Each gas utility must file, as a part of its tariff, a distribution line extension rule setting forth the conditions under which it will extend its facilities to make service available to an applicant.



[Statutory Authority: RCW 80.01.040 and 80.04.160. 01-11-003 (Docket No. UG-990294, General Order No. R-484), 480-90-033, filed 5/3/01, effective 6/3/01.]




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480-90-103
Information to consumers.
(1) Each gas utility must make available at each of its listed business offices information regarding rates, rules, and regulations needed for its customers and applicants to obtain adequate and efficient service.

(2) The utility must maintain a toll-free telephone number available for its applicants and customers during business hours to receive information relating to services and rates, to accept and process orders for service, to explain charges on customer bills, to adjust charges made in error, to respond to customer inquiries and complaints, and to generally act as representatives of the utility.

(3) The utility must provide to each applicant relevant rate information and a brochure that explains the rights and responsibilities of a utility customer. The brochure must include, at a minimum, information about the utility's regular business hours, the utility's mailing address, the utility's toll-free number, the twenty-four hour emergency number(s), and an explanation of the utility's processes to establish credit, deposits, billing, delinquent accounts, disconnection of service initiated by the utility, cancellation of service by the customer, the dispute process, and the commission's informal complaint procedures to be followed if the customer remains dissatisfied with the utility's dispute process.

(4) At least once each year, the utility must directly advise each of its customers how to obtain:

(a) A copy of the consumer brochure described in subsection (3) of this section;

(b) A copy of the customer's applicable rate information;

(c) A copy of the gas rules, chapter 480-90 WAC; and

(d) A copy of the utility's current rates and regulations.

(5) The utility must provide an applicant, upon request, the high and low bills for the requested service premises during the prior calendar year, if such data is available.

(6) The utility must provide a customer, upon request, a detailed account of the customer's actual natural gas usage at the service premises for the previous twelve-month period, if such data is available.

(7) The utility must provide customers information comparing energy usage for the current month and the same billing month of the previous year, if available, either on the customers' bills or upon request as follows:

(a) Number of days in billing period;

(b) Therms used; and

(c) Average therms used per day.

(8) The utility must provide the commission with electronic or paper copies of all pamphlets, brochures, and bill inserts of regulated service information at the same time the utility delivers such material to its customers.



[Statutory Authority: RCW 80.01.040 and 80.04.160. 01-11-003 (Docket No. UG-990294, General Order No. R-484), 480-90-103, filed 5/3/01, effective 6/3/01.]




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480-90-108
Application for service.
(1) When an applicant orders service from a gas utility, the applicant will be responsible for conforming to the rules and regulations that are in effect and on file with the commission.

(2) The utility may require the following information when an applicant applies for service:

(a) The applicant's name, address, and telephone number, and an alternative contact telephone number, if applicable, of the responsible party at the service premises;

(b) The date the service is requested to be effective;

(c) The type of service requested, such as residential or commercial service, and the type of equipment to be served at the service premises;

(d) Proof of identification. The utility must allow the applicant to chose from a list, provided by the utility, of at least five sources of identification. The list must include a current driver's license or other picture identification; and

(e) Any additional information the utility may reasonably require for billing and service.

(3) The utility must offer, if available, a service-order tracking number so the customer can easily identify the service request in subsequent interactions with the utility.

(4) The utility must provide the following service dates to the applicant:

(a) For service at a location where utility service facilities exist and will not have to be modified in any way to serve the applicant, the utility must provide a service date at the time of application. If the utility becomes aware that the service date cannot be met, it must notify the applicant on or prior to the service date.

(b) For service at a location where utility service facilities do not exist or require modification, the utility will provide the following service dates:

(i) Upon request by the applicant, prior to signing a service agreement, the utility must provide a range of dates by which service can be made available;

(ii) Upon signing a service agreement with the applicant, the utility must provide a date by which service will be made available. If the utility becomes aware that the service date cannot be met, it must notify the applicant on or prior to the service date.

(5) Under no circumstances will gas be remetered or submetered by a customer for resale to another or others.



[Statutory Authority: RCW 80.01.040 and 80.04.160. 01-11-003 (Docket No. UG-990294, General Order No. R-484), 480-90-108, filed 5/3/01, effective 6/3/01.]




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480-90-113
Residential service deposit requirements.
(1) Deposit criteria for residential customers. A gas utility may collect a deposit from its own customers for residential service only if:

(a) At any time during the prior twelve months, the utility has sent the customer three or more delinquency notices;

(b) The utility has disconnected the customer's residential service for nonpayment; or

(c) There is a prior customer living at the residence who owes a past-due bill to the utility for service at that address.

(2) Deposit criteria for residential applicants. A utility may collect a deposit from an applicant for residential service only if:

(a) The applicant has met any of the conditions described in subsection (1) of this section as a prior customer of the utility or as a customer of another natural gas utility;

(b) The applicant is not able to demonstrate continuous employment during the prior twelve consecutive months and neither is currently employed nor has a regular source of income;

(c) The applicant does not own or is not purchasing the premises to be served;

(d) There is a prior customer living at the residence who owes a past-due bill to the utility at that address; or

(e) The applicant has an unpaid, overdue balance owing to any electric or gas utility for residential service.

(3) Deposit amount. Deposits required for a customer or location must not exceed:

(a) Two-twelfths of the estimated annual billings for utilities billing monthly; or

(b) Three-twelfths of estimated annual billings for utilities billing bimonthly.

(4) Deposit payment arrangements. The utility must allow an applicant or customer the option of paying fifty percent of the deposit prior to service, and paying the remaining balance in equal amounts over the next two months, on the dates mutually agreed upon between the applicant or customer and the utility. The utility and applicant or customer may make other mutually acceptable deposit payment arrangements.

(5) Alternative to deposit. The utility must allow any applicant or customer who indicates an inability to pay a deposit:

(a) To prepay any service initiation fees and reasonably estimated regular service charges or budget billings at periods corresponding to the utility's regular billing periods for the length of time during which a deposit would ordinarily be required. The utility must then bill the applicant or customer in a normal fashion; or

(b) To furnish a satisfactory guarantor. A guarantor must be considered satisfactory if the guarantor has at least established credit with the utility as outlined in this section. A utility may, at its discretion, accept a guarantor that does not meet the requirements of this section. If the customer has been disconnected, the guarantor is responsible for the amount stated on the disconnection notice, not to exceed the amount of the deposit as defined in subsection (3) of this section unless the guarantor has agreed to guarantee an additional amount as specified in subsection (7) of this section; or

(c) To notify the utility of the inability to pay a deposit as provided in WAC 480-90-143, Winter low-income payment program; or

(d) The opportunity to provide a reference from a similar utility that can quickly and easily be checked if the conditions in subsection (1) of this section cannot be met.

(6) Transfer of deposit. When a customer moves to a new address within the utility's service territory, the deposit plus accrued interest, less any outstanding balance owing from the old address, must be transferred to the new address or refunded.

(7) Additional deposit. If a deposit or additional deposit amount is required after the service is established, the reasons must be specified to the customer in writing. Any request for a deposit or additional deposit amount must comply with the standards outlined in subsection (1) of this section. If the original deposit was secured by a guarantor and the guarantor does not agree to be responsible for the additional deposit amount, the customer will be held responsible for paying the additional deposit.

(8) Deposit payment date. Any deposit or additional deposit amount required after service is established is due and payable not earlier than 5:00 p.m. of the sixth business day after notice if the deposit requirement notice is mailed from within the states of Washington, Oregon, or Idaho, or the ninth business day if mailed from outside the states of Washington, Oregon, and Idaho. If the utility delivers the notice to the customer in person, the deposit or additional deposit amount is due and payable not earlier than 5:00 p.m. of the sixth business day from the date of delivery.

(9) Interest on deposits. Utilities that collect customer deposits must pay interest on those deposits calculated:

(a) For each calendar year, at the rate for the one-year Treasury Constant Maturity calculated by the U.S. Treasury, as published in the Federal Reserve's Statistical Release H.15 on January 15 of that year. If January 15 falls on a nonbusiness day, the utility will use the rate posted on the next following business day; and

(b) From the date of deposit to the date of refund or when applied directly to the customer's account.

(10) When refund of deposits is required. A utility must apply deposits plus accrued interest to the customer's account, or refund deposits plus accrued interest when there has been satisfactory payment, as defined in (a) of this subsection, or when service is terminated.

(a) "Satisfactory payment" means a customer has paid for service for twelve consecutive months in a prompt and satisfactory manner as evidenced by the following:

(i) The utility has not started a disconnection process against the customer; and

(ii) The utility has sent no more than two delinquency notices to the customer.

(b) Termination of service. When service is terminated, the utility must return to the customer the deposit amount plus accrued interest, less any amounts due the utility by the customer.

(11) How deposits are refunded. A utility must refund any deposit plus accrued interest as indicated by the customer at the time of deposit, or as modified by the customer on a later date, using one of the following methods:

(a) A check issued and mailed to the customer no later than fifteen days following completion of twelve months of satisfactory payment, as described above; or

(b) A credit applied to the customer's account for service beginning in the thirteenth month.



[Statutory Authority: RCW 80.01.040, 80.04.160, and 81.04.160. 02-21-066 (Docket No. A-020405, General Order No. R-504), 480-90-113, filed 10/16/02, effective 1/1/03. Statutory Authority: RCW 80.01.040 and 80.04.160. 01-11-003 (Docket No. UG-990294, General Order No. R-484), 480-90-113, filed 5/3/01, effective 6/3/01.]




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480-90-118
Nonresidential services deposit requirements.
(1) Deposit criteria for nonresidential customers. A utility may require an applicant for nonresidential service to demonstrate that the applicant is a satisfactory credit risk by reasonable means appropriate under the circumstances.

(2) Deposit amount. Deposits required for a customer or location must not exceed:

(a) Two-twelfths of the estimated annual billings for utilities billing monthly; or

(b) Three-twelfths of estimated annual billings for utilities billing bimonthly.

(3) Transfer of deposit. When a customer moves to a new address within the utility's service territory, the deposit plus accrued interest, less any outstanding balance owing from the old address, must be transferred to the new address or refunded.

(4) Additional deposit. If a deposit or additional deposit amount is required after the service is established, the reasons must be specified to the customer in writing. Any request for a deposit or additional deposit amount must comply with the standards outlined in subsection (1) of this section. If the original deposit was secured by a guarantor and the guarantor does not agree to be responsible for the additional deposit amount, the customer will be held responsible for paying the additional deposit.

(5) Deposit payment date. Any deposit or additional deposit amount required after service is established is due and payable not earlier than 5:00 p.m. of the sixth business day after notice if the deposit requirement notice is mailed from within the states of Washington, Oregon, or Idaho, or the ninth business day if mailed from outside the states of Washington, Oregon, and Idaho. If the utility delivers the notice to the customer in person, the deposit or additional deposit amount is due and payable not earlier than 5:00 p.m. of the sixth business day from the date of delivery.

(6) Interest on deposits. Utilities that collect customer deposits must pay interest on those deposits calculated:

(a) For each calendar year, at the ratefor the one-year Treasury Constant Maturity calculated by the U.S. Treasury, as published in the Federal Reserve's Statistical Release H.15 on January 15 of that year. If January 15 falls on a nonbusiness day, the utility will use the rate posted on the next following business day; and (continued)