WAC 480-120-262
| WSR Filing Number | Type of Filing | Date of Filing |
| 15-08-043 | Permanent Rule | 3/26/2015 |
| 14-24-097 | Proposal Original Notice | 12/02/2014 |
| 07-18-009 | Permanent Rule | 8/23/2007 |
| 07-11-050 | Proposal Original Notice | 5/10/2007 |
| 07-04-108 | Preproposal Statement of Inquiry | 2/07/2007 |
| 05-03-031 | Permanent Rule | 1/10/2005 |
| 04-17-133 | Proposal Original Notice | 8/18/2004 |
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