WAC 415-10-020
| WSR Filing Number | Type of Filing | Date of Filing |
| 14-06-053 | Permanent Rule | 2/27/2014 |
| 14-03-120 | Proposal Original Notice | 1/21/2014 |
| 08-02-048 | Permanent Rule | 12/27/2007 |
| 07-22-114 | Proposal Original Notice | 11/07/2007 |
| 03-15-006 | Permanent Rule | 7/03/2003 |
| 03-11-043 | Proposal Original Notice | 5/16/2003 |
| 03-10-007 | Emergency Rule | 4/25/2003 |
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