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How can businesses register for a tax ID in Washington?

Asked 4 months ago
To register for a tax identification number in Washington, businesses typically need to complete the registration process through the Washington Department of Revenue. This procedure involves filling out the appropriate application form, which can be found on the department's official website. Businesses generally need to provide information such as the business name, address, and type of business entity, along with the names of the owners or officers. Once the application is submitted, the department processes the registration and issues a Unique Business Identifier (UBI) number, which serves as the tax identification number for the business. This number is essential for various tax-related responsibilities, including sales tax collection and remittance, as well as for other regulatory requirements. It is important for business owners to review the specific details and requirements related to registering for a tax ID, as these may vary based on the type and nature of the business. For the most accurate and up-to-date information, visiting the Washington Department of Revenue's website can be very helpful.
Answered Aug 12th 2025

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