WAC 480-120-161
| WSR Filing Number | Type of Filing | Date of Filing |
| 07-10-017 | Permanent Rule | 4/20/2007 |
| 07-08-027 | Permanent Rule | 3/27/2007 |
| 06-21-050 | Proposal Original Notice | 10/13/2006 |
| 06-16-033 | Proposal Original Notice | 7/25/2006 |
| 06-10-089 | Preproposal Statement of Inquiry | 5/03/2006 |
| 05-03-031 | Permanent Rule | 1/10/2005 |
| 04-17-133 | Proposal Original Notice | 8/18/2004 |
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