WAC 220-220-230
| WSR Filing Number | Type of Filing | Date of Filing |
| 22-18-068 | Permanent Rule | 9/01/2022 |
| 22-07-098 | Proposal Original Notice | 3/22/2022 |
| 22-03-089 | Preproposal Statement of Inquiry | 1/18/2022 |
| 19-20-074 | Permanent Rule | 9/27/2019 |
| 19-14-126 | Proposal Original Notice | 7/03/2019 |
| 17-05-112 | Permanent Rule | 2/15/2017 |
| 17-02-088 | Proposal Original Notice | 1/04/2017 |
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