WAC 220-340-480
| WSR Filing Number | Type of Filing | Date of Filing |
| 21-24-031 | Permanent Rule | 11/22/2021 |
| 21-14-001 | Proposal Original Notice | 6/23/2021 |
| 20-04-066 | Permanent Rule | 1/31/2020 |
| 19-19-075 | Proposal Original Notice | 9/17/2019 |
| 19-10-059 | Preproposal Statement of Inquiry | 4/30/2019 |
| 17-05-112 | Permanent Rule | 2/15/2017 |
| 17-02-088 | Proposal Original Notice | 1/04/2017 |
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