WAC 352-44-020
| WSR Filing Number | Type of Filing | Date of Filing |
| 14-20-044 | Permanent Rule | 9/24/2014 |
| 14-15-089 | Proposal Original Notice | 7/18/2014 |
| 14-12-020 | Preproposal Statement of Inquiry | 5/23/2014 |
| 14-09-056 | Proposal Withdrawl | 4/16/2014 |
| 13-20-039 | Proposal Original Notice | 9/24/2013 |
| 13-16-060 | Preproposal Statement of Inquiry | 8/01/2013 |
| 08-05-008 | Preproposal Statement of Inquiry | 2/07/2008 |
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