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- Aerospace Tax Incentive Report
- Benchmarking Administrative Tax Appeals
- Business Tax and Premium Database Statistics
- Cigarette Tax Study 2007
- Effect of the Indoor Smoking Ban (Updated Jun 10, 2008)
- Litter Tax Compliance: 2007 2005 2003
- Manufacturer's Machinery and Equipment Exemption for 2002
- Retailers Cost of Collecting and Remitting Sales Tax Study for 1998
- DOR Unregistered Business Study 2007
- Joint Unregistered Business Study 2007
- Rural Counties Study 2009
- Unclaimed Property Report 2020
Revenue will work with businesses that cannot file or pay their taxes on time due to the recent flooding in Washington state. Learn more about disaster relief resources available for flood-impacted businesses and individuals.