WAC 434-261-020
| WSR Filing Number | Type of Filing | Date of Filing |
| 17-12-090 | Permanent Rule | 6/06/2017 |
| 17-08-101 | Proposal Original Notice | 4/05/2017 |
| 16-13-063 | Permanent Rule | 6/13/2016 |
| 16-07-107 | Proposal Original Notice | 3/18/2016 |
| 11-24-064 | Permanent Rule | 12/06/2011 |
| 11-20-109 | Proposal Original Notice | 10/05/2011 |
| 05-15-104 | Proposal Withdrawl | 7/15/2005 |
| 05-15-102 | Rescind Emergency Rule | 7/15/2005 |
| 05-14-171 | Proposal Original Notice | 7/06/2005 |
| 05-11-101 | Emergency Rule | 5/18/2005 |
| 04-15-089 | Permanent Rule | 7/16/2004 |
| 04-10-084 | Expedited Rule Making | 5/04/2004 |
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