WAC 314-20-050
| WSR Filing Number | Type of Filing | Date of Filing |
| 24-16-064 | Permanent Rule | 7/31/2024 |
| 24-11-037 | Expedited Rule Making | 5/08/2024 |
| 10-01-090 | Permanent Rule | 12/16/2009 |
| 09-22-102 | Proposal Original Notice | 11/04/2009 |
| 07-02-076 | Permanent Rule | 12/29/2006 |
| 06-16-138 | Proposal Original Notice | 8/02/2006 |
| 06-09-101 | Preproposal Statement of Inquiry | 4/19/2006 |
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