WAC 16-470-305
| WSR Filing Number | Type of Filing | Date of Filing |
| 13-03-009 | Permanent Rule | 1/03/2013 |
| 12-23-093 | Proposal Original Notice | 11/21/2012 |
| 12-20-058 | Preproposal Statement of Inquiry | 10/02/2012 |
| 09-17-099 | Permanent Rule | 8/18/2009 |
| 09-14-133 | Proposal Original Notice | 7/01/2009 |
| 09-10-014 | Preproposal Statement of Inquiry | 4/24/2009 |
| 08-12-077 | Preproposal Statement of Inquiry | 6/03/2008 |
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