WAC 246-817-520
| WSR Filing Number | Type of Filing | Date of Filing |
| 18-04-078 | Preproposal Statement of Inquiry | 2/02/2018 |
| 17-05-056 | Permanent Rule | 2/10/2017 |
| 16-22-025 | Proposal Supplemental | 10/24/2016 |
| 16-09-100 | Proposal Original Notice | 4/19/2016 |
| 10-23-081 | Preproposal Statement of Inquiry | 11/15/2010 |
| 08-14-010 | Permanent Rule | 6/19/2008 |
| 08-07-099 | Proposal Original Notice | 3/19/2008 |
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