WAC 173-400-020
| WSR Filing Number | Type of Filing | Date of Filing |
| 24-19-098 | Proposal Original Notice | 9/18/2024 |
| 17-01-096 | Preproposal Statement of Inquiry Withdrawal | 12/16/2016 |
| 15-15-162 | Preproposal Statement of Inquiry | 7/21/2015 |
| 12-24-027 | Permanent Rule | 11/28/2012 |
| 12-13-070 | Proposal Continuance | 6/18/2012 |
| 12-11-115 | Proposal Original Notice | 5/22/2012 |
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