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When do I need a sales tax Certificate of Authority in New York?

The short answer, with the official forms and the agencies' own links.

Updated October 15, 2026Sources: the agencies' own sites

The short answer

Apply through New York Business Express at least 20 days before your first sale. It's free, usually takes about two weeks, and the certificate is displayed at each location.

The forms involved

  1. Application for Registration as a Sales Tax Vendor (Certificate of Authority)

    New York State Department of Taxation and FinanceNew York State

    Apply online through New York Business Express at least 20 days before your first sale. Display the certificate at each location.

    Fee
    Free
    Filed
    Filed online
    Takes
    Usually about two weeks.

    The agency's site

Full guides

General information, not legal or tax advice. Agency requirements change; check the agency's page before you file.

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