Tax topics

These articles provide information about taxes in Washington state. See our Special Notices for updates to existing tax law, and Industry Guides to better understand tax requirements for specific industries.


Topics Issue Date Subjects
Fake websites targeting SecureAccess Washington (SAW) users Fraud
2024 Tax Legislation Legislation
How to document United States government purchases Federal government
Foreign Diplomats Tax Exemption Foreign diplomats
Special event promoter’s requirements Special event promoter
Irrigation Districts Operating on US Government Property Irrigation Districts
Director fees subject to Business and Occupation (B&O) tax Business & occupation tax
Transfers of used park model trailers Used park model trailers
Reusable bag fees Reusable bag fees
DJ services DJ services
2025 Tax Legislation New Legislation