WAC 296-400A-400
| WSR Filing Number | Type of Filing | Date of Filing |
| 21-13-041 | Permanent Rule | 6/10/2021 |
| 21-09-087 | Proposal Original Notice | 4/21/2021 |
| 20-16-141 | Permanent Rule | 8/04/2020 |
| 20-12-092 | Expedited Rule Making | 6/02/2020 |
| 16-08-100 | Permanent Rule | 4/05/2016 |
| 15-20-124 | Proposal Original Notice | 10/07/2015 |
| 10-06-051 | Permanent Rule | 2/24/2010 |
| 10-02-103 | Proposal Original Notice | 1/06/2010 |
| 04-12-046 | Permanent Rule | 5/28/2004 |
| 04-08-089 | Proposal Original Notice | 4/06/2004 |
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