WAC 192-220-050
| WSR Filing Number | Type of Filing | Date of Filing |
| 16-21-013 | Permanent Rule | 10/07/2016 |
| 16-15-079 | Proposal Original Notice | 7/19/2016 |
| 13-24-012 | Permanent Rule | 11/21/2013 |
| 13-20-112 | Proposal Original Notice | 10/01/2013 |
| 13-13-033 | Preproposal Statement of Inquiry | 6/13/2013 |
| 07-23-128 | Permanent Rule | 11/21/2007 |
| 07-20-120 | Proposal Original Notice | 10/03/2007 |
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