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Sales tax exposure check for multistate sellers

Answer six operational questions to identify sales tax areas that may warrant a closer state-by-state review. This tool does not determine nexus, taxability, liability, or filing requirements.

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START THE CHECK

Flag the facts that could change your next step

Use general business information only. Do not enter account numbers, tax IDs, customer data, or confidential records.

Do you sell or deliver products or services to customers in more than one U.S. state?
Do you have any of these activities outside your main business state? Select all that apply.
How do customers usually buy from you?
What do you sell?
Is the business registered to collect sales tax in any state?
Have you received a sales tax notice, audit request, or past-due filing message?

WHY THESE QUESTIONS MATTER

Sales tax obligations depend on more than total revenue

States can apply different registration thresholds, sourcing rules, product and service classifications, marketplace-facilitator rules, filing frequencies, and documentation requirements. Physical activity in a state can also matter.

The result from this tool is a preparation list—not a conclusion. A proper review may require state-specific sales reports, contracts, inventory locations, marketplace statements, prior registrations, and correspondence.

Read the sales tax registration guideExplore sales tax services

PRIMARY GUIDANCE

Sources and scope

Reviewed July 16, 2026 by Stefano Tavella, CPA. State rules and thresholds can change; confirm current requirements with the relevant state authority.