WAC 458-20-174
| WSR Filing Number | Type of Filing | Date of Filing |
| 23-14-002 | Permanent Rule | 6/21/2023 |
| 23-09-048 | Expedited Rule Making | 4/17/2023 |
| 15-15-028 | Permanent Rule | 7/07/2015 |
| 15-09-090 | Proposal Original Notice | 4/17/2015 |
| 14-23-080 | Preproposal Statement of Inquiry | 11/18/2014 |
| 08-14-018 | Permanent Rule | 6/20/2008 |
| 08-06-090 | Expedited Rule Making | 3/05/2008 |
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