WAC 446-20-160
| WSR Filing Number | Type of Filing | Date of Filing |
| 21-05-044 | Permanent Rule | 2/11/2021 |
| 21-01-033 | Proposal Original Notice | 12/07/2020 |
| 20-01-100 | Permanent Rule | 12/13/2019 |
| 19-22-055 | Proposal Original Notice | 11/04/2019 |
| 10-01-109 | Permanent Rule | 12/17/2009 |
| 09-22-086 | Proposal Original Notice | 11/03/2009 |
| 09-22-080 | Proposal Original Notice | 11/03/2009 |
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