WAC 246-915-180
| WSR Filing Number | Type of Filing | Date of Filing |
| 20-06-029 | Permanent Rule | 2/26/2020 |
| 19-21-119 | Expedited Rule Making | 10/18/2019 |
| 08-17-026 | Permanent Rule | 8/13/2008 |
| 08-07-100 | Proposal Original Notice | 3/19/2008 |
| 05-06-023 | Permanent Rule | 2/22/2005 |
| 04-20-069 | Proposal Original Notice | 10/04/2004 |
| 04-07-177 | Preproposal Statement of Inquiry | 3/24/2004 |
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