10,588 rulemaking notices, proposed, emergency, and final filings as they cross the Washington State Register.
Interpretive Or Policy Statement — Department of Revenue (WSR 26-14-006)
Jun 17, 2026
INTERPRETIVE STATEMENT ISSUED The department of revenue (department) has issued the following excise tax advisory (ETA): ETA 3014.2026 Self-Produced Fuels. This ETA provides guidance on the application of state and local use tax on self-produced fuels. In addition, this ETA addresses the application of business and occupation tax on the production of self-produced fuels. The department is updating this ETA to incorporate the value of refinery fuel gas for quarter 3, 2026. The value of refinery f
Register Filing — Department of Ecology (WSR 26-13-108)
Jun 17, 2026
PUBLIC NOTICE Announcing the Draft Washington Department of Transportation Municipal Stormwater General Permit for Public Review and Comment The Washington state department of ecology (ecology) proposes to reissue the Washington department of transportation (WSDOT) municipal stormwater National Pollutant Discharge Elimination System and state waste discharge general permit. The current permit was last issued in March 2019 and expired in April 2024; however, the permit has been administratively e
Interpretive and Policy Statement — Department of Ecology (WSR 26-13-028)
Jun 9, 2026
Notice of Interpretive and Policy Statement s Under chapter 42.56 RCW, the department of ecology (ecology) maintains an index that includes interpretive and policy statements issued by the agency. Under RCW 34.05.230 , we are filing notice in the Washington State Register about these statements. To obtain copies of these items, please: • Copy and paste the web address (URL) from the table below into a web browser to view and download; or • Submit an email records request to ecology's public reco