WAC 308-49-168
| WSR Filing Number | Type of Filing | Date of Filing |
| 20-09-031 | Permanent Rule | 4/06/2020 |
| 20-03-156 | Proposal Original Notice | 1/21/2020 |
| 07-03-027 | Permanent Rule | 1/05/2007 |
| 06-21-110 | Proposal Original Notice | 10/17/2006 |
| 06-21-036 | Proposal Withdrawl | 10/10/2006 |
| 06-20-093 | Proposal Original Notice | 10/03/2006 |
| 05-15-121 | Preproposal Statement of Inquiry | 7/18/2005 |
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