WAC 448-16-020
| WSR Filing Number | Type of Filing | Date of Filing |
| 16-21-025 | Permanent Rule | 10/10/2016 |
| 16-17-065 | Proposal Original Notice | 8/15/2016 |
| 10-24-066 | Permanent Rule | 11/30/2010 |
| 10-19-070 | Proposal Supplemental | 9/16/2010 |
| 10-16-079 | Proposal Original Notice | 7/30/2010 |
| 04-19-144 | Permanent Rule | 9/22/2004 |
| 04-16-062 | Proposal Original Notice | 7/30/2004 |
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