SESK: Stuff Everyone Should Know · sesk.info/biz-economic-nexus-check-each-state
Where should a remote seller verify an economic-nexus threshold?
With the individual state's sales-tax authority.
- A single federal sales-tax office
- Each state's tax authority ✔
- The local library only
Why: There is no single nationwide sales-tax nexus threshold. Check current rules in every state where the business has customers, property, workers, or significant sales.
Huh, didn't know that: California, for example, sets its threshold at more than $500,000 of sales delivered into the state in the current or prior calendar year.
Why did nexus visit every state website? One size did not tax all.
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References
Answer: Each state's tax authority. There is no single nationwide sales-tax nexus threshold. Check current rules in every state where the business has customers, property, workers, or significant sales.
- MTC, State Sales and Use Tax Registration Forms www.mtc.gov/resources/state-sales-and-use-tax-registration-forms
Please direct these questions to the individual state’s sales and use tax division.
Checked 2026-10-11. - California CDTFA, Marketplace Facilitator Act Guide cdtfa.ca.gov/industry/MPFAct.htm
exceed $500,000 in the preceding or current calendar year
Checked 2026-10-11.
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