WAC 388-455-0015
| WSR Filing Number | Type of Filing | Date of Filing |
| 23-20-093 | Preproposal Statement of Inquiry | 10/02/2023 |
| 13-18-007 | Permanent Rule | 8/22/2013 |
| 13-12-073 | Proposal Original Notice | 6/05/2013 |
| 11-15-104 | Preproposal Statement of Inquiry | 7/20/2011 |
| 10-15-069 | Permanent Rule | 7/16/2010 |
| 10-13-132 | Emergency Rule | 6/22/2010 |
| 10-11-041 | Proposal Original Notice | 5/11/2010 |
| 10-07-060 | Preproposal Statement of Inquiry | 3/15/2010 |
| 10-06-059 | Emergency Rule | 2/25/2010 |
| 08-11-105 | Permanent Rule | 5/20/2008 |
| 08-08-117 | Proposal Supplemental | 4/02/2008 |
| 07-22-037 | Proposal Original Notice | 10/30/2007 |
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