WAC 388-828-4400
| WSR Filing Number | Type of Filing | Date of Filing |
| 24-19-062 | Proposal Original Notice | 9/16/2024 |
| 24-07-054 | Preproposal Statement of Inquiry | 3/14/2024 |
| 21-19-093 | Permanent Rule | 9/17/2021 |
| 21-12-048 | Proposal Original Notice | 5/26/2021 |
| 19-02-020 | Permanent Rule | 12/21/2018 |
| 18-21-134 | Proposal Supplemental | 10/19/2018 |
| 18-12-065 | Proposal Original Notice | 6/01/2018 |
| 18-09-027 | Preproposal Statement of Inquiry | 4/11/2018 |
| 18-09-026 | Preproposal Statement of Inquiry Withdrawal | 4/11/2018 |
| 17-14-106 | Preproposal Statement of Inquiry | 7/05/2017 |
| 07-10-029 | Permanent Rule | 4/23/2007 |
| 07-03-158 | Proposal Original Notice | 1/23/2007 |
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