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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 by name: S
S
- Sales Tax Exemption Certificate for Health Care Providers
- Sales Tax Exemption for Purchases by Data Centers, Application for
- Sales Tax Rate Charts
- Sales Tax Refund on Purchases and Installation of Qualified Renewable Energy Equipment, Application for
- Sales Tax Refund Request for Tribes and Tribal Members/Citizens
- Sales Tax Refund Request, Green Transportation
- Schedule B, Credit for Sales Tax paid on Bad Debts
- Schedule C, Multiple Activities Tax Credit
- Schedule C Combined Workbook (xlsx)
- Seller's Business and Occupation Tax Foreign Fuel Exemption Certificate
- Seller's Certificate – In-State Delivery
- Seller's Certificate – Out-of-State Delivery
- Seller's Declaration for Buyer's Refund of Retail Sales Tax
- Seller's Declaration for Refund of Spirits Taxes
- Senior Citizen and People with Disabilities Declaration to Defer
- Senior Citizen and People with Disabilities Exemption From Real Property Taxes - Form 64-0002
- Senior Citizens and Disabled Persons Reduction from Leasehold Excise Tax
- Senior Citizens and Disabled Persons, Worksheet to Determine Leasehold Excise Tax Taxable Rent - Form 50-0006
- Settlement Offer
- Small business credit tables
- Small Harvester Forest Excise Tax Return
- Special Fuel Sales to Interstate Carriers, Certificate of
- State Endorsement Fee Sheet
- Status, Request for Tax
- Streamlined Sales Tax (SST) Exemption Certificate
- Stumpage Purchase Report
- Successorship Notice Form
