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Starting October 1: Some business services are now subject to retail sales tax, as required by state law, ESSB 5814. When you buy these services, vendors should add sales tax to your bill. If you sell these services, you should begin collecting retail sales tax. Learn more about Services newly subject to retail sales tax.
Forms & publications
The Confidential Tax Information Authorization and Confidential Licensing Information Authorization has been updated.
Forms
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Business license
- Business License Application
- Business information change form
- Confidential License Information Authorization (CLIA)
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Tax - Excise Tax Returns
- Confidential Tax Information Authorization (CTIA)
- Reseller Permit Application
- Buyer’s Retail Sales Tax Exemption Certificate
- Local Sales Tax Addendum
- Manufacturer’s Sales & Use Tax Exemption Certificate
- Tribal Exemption Forms
- Consumer Use Tax Return
Publications
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Not finding a form or publication? Request assistance.
Income tax forms: The State of Washington does not have a personal or corporate Income Tax. For federal income tax forms, visit the Internal Revenue Service (IRS).
Warning: to protect against the possibility of others accessing your confidential information, do not complete these forms on a public workstation.
