Skip to main content
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 by name: C
C
- Car Tax Addendums, Rental
- Carbonated Beverage Tax - Case Equivalent Conversion Chart
- Certificate of Agriculture Commodity Shipped to Interstate & Foreign Destinations
- Certificate of New Construction Value
- Certificate for Purchase of Nonpolluting Special Fuels
- Certificate of Special Fuel Sales to Interstate Carriers
- Certification of Approval for Special Valuation on Historic Property
- Certification of Use and/or Deferred Sales Tax Paid
- Change in Status Report Senior Citizen and Disabled Persons Exemption From Real Property Taxes (Form 64 0018)
- Change of Owners/Officers', Percentage Owned, and/or Stock/Unit Ownership (Form 700 306)
- Change of Classification or Use
- Cigarette Tax Forms
- Cigar Tax Credit Worksheet, Tobacco Products
- Cigarette Wholesale Dealers Bond
- City and County Addendum (Form 700 060)
- Civilian Health and Medical Program of the Uniform Services/Tricare Income, Refund Request for Business & Occupation Tax Paid
- Classification or Reclassification as Open Space Land or Timber Land for Current Use Assessment, Application for
- Classification or Reclassification as Open Space Farm and Agricultural Land with Same Ownerships, Application for (Form 64 0024)
Clean Alternative Fuel Passenger Vehicle Leases and Sales Addendum - Combined Excise Tax Return
- Monthly | Quarterly | Annual | Multi-Purpose
- Combined Disposable Income Worksheet (Form 63 0036)
- Commercial Telephone Solicitor Addendum
- Commercial Telephone Solicitor - Personal/Criminal History
- Commercial Vessel Seller's Report of Sale
- Commercial Vessel Tax Personal Property Listing Application
- Commute Trip Reduction Credit Annual Application
- Note: This online application is only accepted January 1 through January 31. For further information, please see our Special Notice.
- Community Solar Project Renewable Energy System
- (Consultation) Pre-Consultation Visit Questionnaire
- Confidential Licensing Information Authorization (CLIA)
- Confidential Tax Information Authorization (CTIA) - (Form 42 2446)
- Confidentiality and Non-Disclosure Agreement
- Consumer Use Tax Return Businesses should report use tax on their excise tax return.
- Continuing Education Course Approval Application
- Corporate Director Fees B&O Tax Payment Agreement
- (Corporate Dissolution) Revenue Clearance Certificate Application
- Cost Recovery Annual Incentive Payment Application
- Cost Recovery Certification
- County Assessor Request for Information Verifying Intent to Continue Current Use Classification
- County Assessor Request for Information Verifying Intent to Continue Farm and Agricultural Land Classification
- County Revaluation Progress Report
- Credit Forms
- Customer Rights Poster (Auto Repair Businesses) - This poster can be obtained by contacting the Department at 360-705-6705 or by email.
