WAC 388-412-0020
| WSR Filing Number | Type of Filing | Date of Filing |
| 19-06-015 | Emergency Rule | 2/26/2019 |
| 16-20-087 | Permanent Rule | 10/04/2016 |
| 16-10-041 | Proposal Original Notice | 4/28/2016 |
| 16-05-042 | Preproposal Statement of Inquiry | 2/10/2016 |
| 11-22-061 | Preproposal Statement of Inquiry Withdrawl | 10/31/2011 |
| 10-07-058 | Preproposal Statement of Inquiry | 3/15/2010 |
| 03-22-038 | Permanent Rule | 10/28/2003 |
| 03-19-072 | Proposal Original Notice | 9/12/2003 |
| 03-15-023 | Preproposal Statement of Inquiry | 7/08/2003 |
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