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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.
Multi-purpose combined excise tax returns
Effective July 1, 2023
(use for the period of July 1, 2023 forward)
Effective March 1, 2022
(use for the period of March 1, 2022 forward)
Effective January 1, 2021
(use for the period of January 1, 2021 through February 28, 2022)
Effective October 1, 2020
(use for the period of October 1, 2020 through December 31, 2020)
Effective October 1, 2019
(use for the period of October 1, 2019 through September 30, 2020)
Effective July 1, 2019
(use for the period of July 1, 2019 through September 30, 2019)
Effective January 1, 2018
(use for the period of January 1, 2018 through June 30, 2019)
