WAC 284-170-480
| WSR Filing Number | Type of Filing | Date of Filing |
| 24-12-075 | Preproposal Statement of Inquiry | 6/04/2024 |
| 19-23-085 | Permanent Rule | 11/19/2019 |
| 19-20-112 | Proposal Original Notice | 10/02/2019 |
| 16-14-106 | Permanent Rule | 7/06/2016 |
| 16-10-078 | Expedited Rule Making | 5/03/2016 |
| 16-07-144 | Permanent Rule | 3/23/2016 |
| 16-03-090 | Expedited Rule Making | 1/20/2016 |
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