WAC 136-400-020
| WSR Filing Number | Type of Filing | Date of Filing |
| 22-22-074 | Permanent Rule | 10/31/2022 |
| 22-19-026 | Proposal Original Notice | 9/13/2022 |
| 08-10-026 | Permanent Rule | 4/28/2008 |
| 08-06-051 | Proposal Supplemental | 2/28/2008 |
| 07-22-061 | Preproposal Statement of Inquiry | 11/01/2007 |
| 07-17-025 | Proposal Withdrawl | 8/07/2007 |
| 07-11-118 | Proposal Original Notice | 5/21/2007 |
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