WAC 220-310-020
| WSR filing number | Type of filing | Date of filing |
|---|---|---|
| 25-20-035 | Permanent Rule | 9/23/2025 |
| 25-15-167 | Expedited Rule Making | 7/23/2025 |
| 23-23-045 | Permanent Rule | 11/06/2023 |
| 23-18-083 | Proposal Original Notice | 9/05/2023 |
| 18-21-059 | Permanent Rule | 10/09/2018 |
| 18-17-179 | Proposal Supplemental | 8/22/2018 |
| 18-16-114 | Proposal Original Notice | 8/01/2018 |
| 18-15-068 | Expedited Rule Making | 7/17/2018 |
| 17-05-112 | Permanent Rule | 2/15/2017 |
| 17-02-088 | Proposal Original Notice | 1/04/2017 |
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