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DTF-17: how to file the Application for Registration as a Sales Tax Vendor (Certificate of Authority)

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

New York State Department of Taxation and FinanceNew York StateUpdated October 15, 2026

Agency
New York State Department of Taxation and Finance
Where it applies
New York State
How it's filed
Filed online
Fee
Free
How long it takes
Usually about two weeks.

The form, line by line

LineWhat goes there
AReason for applyingNew business / Change in organization / Restarting a prior business / Purchasing an existing business / Adding a location
2Legal name
3DBA or trade name
4Employer identification number
5Physical address
6Mailing address
10Email address(es)
CType of entity or organization
12Date you begin business
14a-14bMultiple permanent locations?Yes / No
15Business activities
16a-16bPrincipal and secondary NAICS codes
17a-17bBulk sale (buying an existing business's assets)?Yes / No
18Home-based business?Yes / No
22Business bank account
35a-35bFranchisee? Name of franchisor
36a-36bOwned by a different entity?Yes / No
40a-40bSells alcoholic beverages?Yes / No
43aSells cigarettes or tobacco?Yes / No
KResponsible persons (name, title, SSN or ITIN, address)

What to attach

  • Schedule of locations (DTF-17-ATT) for more than one store

Official links

Checked against the agency's own page.

Questions people ask

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This guide covers the city. Your exact address decides the county, the health district and the zoning. Placetta maps every filing for it, fills the official forms from your details, adds the deadlines and puts them up for your approval.

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