WAC 388-880-110
| WSR Filing Number | Type of Filing | Date of Filing |
| 13-03-092 | Permanent Rule | 1/15/2013 |
| 12-24-012 | Proposal Original Notice | 11/27/2012 |
| 12-15-076 | Preproposal Statement of Inquiry | 7/18/2012 |
| 10-13-130 | Permanent Rule | 6/22/2010 |
| 10-07-117 | Proposal Original Notice | 3/22/2010 |
| 09-11-102 | Preproposal Statement of Inquiry | 5/19/2009 |
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