WAC 296-21-270
| WSR Filing Number | Type of Filing | Date of Filing |
| 23-22-103 | Permanent Rule | 10/31/2023 |
| 23-16-154 | Proposal Original Notice | 8/02/2023 |
| 15-19-139 | Permanent Rule | 9/22/2015 |
| 15-12-087 | Proposal Original Notice | 6/02/2015 |
| 09-14-104 | Permanent Rule | 6/30/2009 |
| 09-08-104 | Proposal Original Notice | 3/31/2009 |
| 08-16-035 | Preproposal Statement of Inquiry | 7/29/2008 |
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