WAC 284-30-500
| WSR Filing Number | Type of Filing | Date of Filing |
| 16-03-021 | Permanent Rule | 1/08/2016 |
| 15-24-073 | Proposal Original Notice | 11/25/2015 |
| 12-03-060 | Permanent Rule | 1/12/2012 |
| 11-23-167 | Proposal Original Notice | 11/22/2011 |
| 11-19-102 | Preproposal Statement of Inquiry | 9/21/2011 |
| 07-19-106 | Permanent Rule | 9/19/2007 |
| 07-14-109 | Expedited Rule Making | 7/02/2007 |
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