WAC 208-660-446
| WSR Filing Number | Type of Filing | Date of Filing |
| 19-21-142 | Permanent Rule | 10/22/2019 |
| 19-17-090 | Proposal Original Notice | 8/21/2019 |
| 16-08-027 | Permanent Rule | 3/30/2016 |
| 16-05-066 | Proposal Original Notice | 2/15/2016 |
| 13-24-023 | Permanent Rule | 11/22/2013 |
| 13-19-079 | Proposal Original Notice | 9/17/2013 |
| 10-20-125 | Permanent Rule | 10/05/2010 |
| 10-16-134 | Proposal Original Notice | 8/04/2010 |
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