WAC 392-550-050
| WSR Filing Number | Type of Filing | Date of Filing |
| 22-15-060 | Permanent Rule | 7/15/2022 |
| 22-11-044 | Proposal Original Notice | 5/12/2022 |
| 22-07-094 | Preproposal Statement of Inquiry | 3/22/2022 |
| 20-15-062 | Permanent Rule | 7/10/2020 |
| 20-11-081 | Proposal Original Notice | 5/20/2020 |
| 20-07-081 | Proposal Withdrawl | 3/16/2020 |
| 20-05-089 | Proposal Original Notice | 2/19/2020 |
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