WAC 208-660-420
| WSR Filing Number | Type of Filing | Date of Filing |
| 22-24-049 | Permanent Rule | 11/30/2022 |
| 22-20-107 | Proposal Original Notice | 10/04/2022 |
| 12-18-048 | Permanent Rule | 8/29/2012 |
| 12-13-074 | Proposal Original Notice | 6/19/2012 |
| 09-24-091 | Permanent Rule | 12/01/2009 |
| 09-19-130 | Proposal Original Notice | 9/22/2009 |
| 09-01-156 | Permanent Rule | 12/23/2008 |
| 08-21-165 | Proposal Original Notice | 10/22/2008 |
| 06-23-137 | Permanent Rule | 11/21/2006 |
| 06-18-067 | Proposal Original Notice | 9/05/2006 |
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