WAC 180-51-050
| WSR Filing Number | Type of Filing | Date of Filing |
| 21-01-077 | Permanent Rule | 12/10/2020 |
| 20-15-151 | Proposal Original Notice | 7/22/2020 |
| 20-01-101 | Permanent Rule | 12/13/2019 |
| 19-19-089 | Proposal Original Notice | 9/18/2019 |
| 12-03-052 | Permanent Rule | 1/11/2012 |
| 11-19-081 | Proposal Original Notice | 9/19/2011 |
| 11-16-097 | Preproposal Statement of Inquiry | 8/02/2011 |
| 05-19-105 | Permanent Rule | 9/20/2005 |
| 05-15-055 | Proposal Original Notice | 7/12/2005 |
| 04-20-093 | Permanent Rule | 10/05/2004 |
| 04-15-043 | Proposal Original Notice | 7/12/2004 |
| 04-04-093 | Permanent Rule | 2/03/2004 |
| 03-23-027 | Proposal Original Notice | 11/12/2003 |
| 03-18-057 | Preproposal Statement of Inquiry | 8/28/2003 |
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