WAC 480-100-640
| WSR Filing Number | Type of Filing | Date of Filing |
| 25-06-039 | Preproposal Statement of Inquiry | 2/27/2025 |
| 22-14-055 | Permanent Rule | 6/29/2022 |
| 22-07-100 | Proposal Original Notice | 3/22/2022 |
| 21-10-088 | Preproposal Statement of Inquiry | 5/03/2021 |
| 21-02-022 | Permanent Rule | 12/28/2020 |
| 20-21-053 | Proposal Original Notice | 10/14/2020 |
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