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Businesses

Welcome to our home for businesses. We designed it to provide easy access to tax information, filing and payment resources, and popular business topics, and more for:

  • corporation tax,
  • sales tax,
  • withholding tax, and
  • other taxes and reporting requirements.

For information regarding income tax, estate tax, mortgage recording tax, and more, see our home for Individuals.

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What's New

Sales tax returns are due March 20, 2026

If you’re a registered New York State sales tax vendor, you must file your return with the Tax Department by March 20, 2026—even if you have no taxable sales or purchases to report.

File online with Sales Tax Web File

Changes to Article 9-A MFI and estimated tax requirements

For tax years beginning on or after January 1, 2026, mandatory first installment (MFI) and estimated tax requirements have changed for some corporations.

Learn about the changes

Pass-through entity tax (PTET) annual election period is open

For the 2026 tax year, you can opt in to PTET for New York State and New York City using the PTET Annual Election web application. The election deadline is March 16, 2026.

Opt in to PTET

To learn more about PTET, see Pass-through entity tax (PTET).

Plan Ahead

April 15

New York C corporation tax return due for calendar year filers

See corporation tax forms

April 15

Employer's quarterly Metropolitan commuter transportation mobility tax (MCTMT) return due

See MCTMT forms

April 15

Employer's quarterly combined withholding, wage reporting, and unemployment insurance return due

File withholding tax

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