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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.
Natural gas use tax returns
Effective July 1, 2009, the Natural Gas Use Tax Return became an addendum to the Combined Excise Tax Return. The new addendum is available on our Natural Gas Use Tax Addendum page.
2009
Quarter 2 Return
Quarter 1 Return
2008
Quarter 4 Return
Quarter 3 Return
Quarter 2 Return
Quarter 1 Return
2007
Quarter 4 Return
Quarter 3 Return
Quarter 2 Return
Quarter 1 Return
2006
Quarter 4 Return
Quarter 3 Return
Quarter 2 Return
Quarter 1 Return
