WAC 246-840-450
| WSR Filing Number | Type of Filing | Date of Filing |
| 15-16-013 | Preproposal Statement of Inquiry | 7/24/2015 |
| 15-15-104 | Preproposal Statement of Inquiry Withdrawl | 7/16/2015 |
| 14-09-117 | Preproposal Statement of Inquiry | 4/23/2014 |
| 09-01-060 | Permanent Rule | 12/11/2008 |
| 08-16-128 | Proposal Original Notice | 8/06/2008 |
| 07-17-037 | Preproposal Statement of Inquiry | 8/08/2007 |
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