WAC 260-44-020
| WSR Filing Number | Type of Filing | Date of Filing |
| 12-17-020 | Preproposal Statement of Inquiry | 8/06/2012 |
| 08-07-040 | Permanent Rule | 3/13/2008 |
| 08-03-131 | Proposal Original Notice | 1/23/2008 |
| 07-24-090 | Preproposal Statement of Inquiry | 12/05/2007 |
| 07-07-035 | Permanent Rule | 3/12/2007 |
| 07-03-130 | Proposal Original Notice | 1/23/2007 |
| 06-07-063 | Permanent Rule | 3/10/2006 |
| 06-03-089 | Proposal Original Notice | 1/13/2006 |
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