Resources
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DOR Business Information Change Form (Form BLS 700 160)
Preview | Download -
Confidential Tax Information Authorization (Form 42 2446)
Preview | Download -
ESD Power of Attorney
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L&I Confidential Tax Information Authorization
Preview | Download -
Sales Tax Rate Lookup
Use the official Washington State Department of Revenue lookup tool to find the correct sales tax rate for any business location in Washington State. - What is Retail sales tax in Washington State?
- What is Business & occupation tax in Washington State?