WAC 246-341-0520
| WSR Filing Number | Type of Filing | Date of Filing |
| 21-12-042 | Permanent Rule | 5/25/2021 |
| 21-04-132 | Proposal Original Notice | 2/02/2021 |
| 19-09-062 | Permanent Rule | 4/16/2019 |
| 19-05-046 | Emergency Rule | 2/15/2019 |
| 19-04-033 | Proposal Original Notice | 1/28/2019 |
| 18-21-122 | Emergency Rule | 10/18/2018 |
| 18-14-018 | Emergency Rule | 6/25/2018 |
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