WAC 16-303-020
| WSR Filing Number | Type of Filing | Date of Filing |
| 22-02-028 | Permanent Rule | 12/29/2021 |
| 21-21-114 | Proposal Original Notice | 10/20/2021 |
| 12-19-065 | Permanent Rule | 9/17/2012 |
| 12-16-078 | Proposal Original Notice | 7/31/2012 |
| 05-12-053 | Permanent Rule | 5/26/2005 |
| 05-08-142 | Proposal Original Notice | 4/06/2005 |
| 05-05-050 | Preproposal Statement of Inquiry | 2/14/2005 |
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