WAC 308-56A-420
| WSR Filing Number | Type of Filing | Date of Filing |
| 23-15-119 | Permanent Rule | 7/19/2023 |
| 23-11-146 | Proposal Original Notice | 5/24/2023 |
| 23-07-113 | Preproposal Statement of Inquiry | 3/21/2023 |
| 11-18-047 | Permanent Rule | 8/31/2011 |
| 11-15-030 | Proposal Original Notice | 7/12/2011 |
| 10-01-075 | Preproposal Statement of Inquiry | 12/15/2009 |
| 09-16-017 | Permanent Rule | 7/24/2009 |
| 09-12-024 | Proposal Original Notice | 5/26/2009 |
| 09-11-071 | Emergency Rule | 5/15/2009 |
| 08-24-064 | Preproposal Statement of Inquiry | 12/01/2008 |
| 05-14-092 | Permanent Rule | 6/30/2005 |
| 05-01-226 | Proposal Original Notice | 12/22/2004 |
| 04-11-106 | Preproposal Statement of Inquiry | 5/19/2004 |
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