WAC 458-20-110
| WSR Filing Number | Type of Filing | Date of Filing |
| 10-06-069 | Permanent Rule | 2/25/2010 |
| 10-01-193 | Expedited Rule Making | 12/22/2009 |
| 08-14-026 | Permanent Rule | 6/20/2008 |
| 08-06-095 | Expedited Rule Making | 3/05/2008 |
| 05-02-039 | Permanent Rule | 12/30/2004 |
| 04-19-076 | Proposal Original Notice | 9/17/2004 |
| 04-14-031 | Preproposal Statement of Inquiry | 6/29/2004 |
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