CT-604: Claim for QEZE Tax Reduction Credit (2025)

New York · NY DTF · Used for tax years 2025

New York Form CT-604 is used to claim the QEZE tax reduction credit and is filed with Form CT-3, CT-3-A, or CT-3-S. It reports employment figures, zone allocation factors, and information used to calculate and apply the credit.

Who files this form

Corporations claiming the QEZE tax reduction credit use Form CT-604. File it with Form CT-3, CT-3-A, or CT-3-S.

Which section you complete depends on your first certification date:

  • Before April 1, 2005: Complete Section 1.
  • On or after April 1, 2005: Complete Section 2.

New York S corporations do not complete Schedule E or Schedule L, the credit computation and application schedules.

What you'll need

Have the following ready to complete Form CT-604:

  • Your corporation’s legal name, EIN, tax period, empire zone names, and first certification date.
  • Copies of all Certificates of Eligibility, including retention certificates, to attach to the form.
  • Full-time employee counts for March 31, June 30, September 30, and December 31 for the current tax year and applicable base-period years. Section 1 uses a five-year base period; Section 2 uses a four-year base period.
  • Test-year employee counts within the empire zones where you are certified.
  • Average property values and employee wages and other compensation for the empire zones and New York State. The compensation lines exclude general executive officers.
  • Names and EINs of related business entities. Attach additional sheets if needed.
  • For Schedule E or L, the business tax benefit period year, tax factor, franchise tax before credits, and credits claimed before this credit.

If you claim in Schedule G that the QEZE was formed for a valid business purpose, attach a notarized statement explaining in detail how it meets the valid business purpose test.

How to file

File Form CT-604 with Form CT-3, CT-3-A, or CT-3-S. Include all seven pages, including the intentionally blank page 4.

Complete the information above Section 1 on page 1, then complete only the section that applies to your first certification date. Attach copies of all Certificates of Eligibility, including retention certificates.

The form does not provide a mailing address or e-filing directions.

Common mistakes

  • Leaving out pages: The form says to file all pages, 1 through 7, with your return.
  • Completing both sections: Complete either Section 1 or Section 2, not both.
  • Skipping the identifying information: All taxpayers must complete the information above Section 1 on page 1, and all filers must enter their tax period.
  • Rounding employment numbers: Do not round the current-year and base-period employment numbers where the form says not to round.
  • Omitting employees from other empire zones: The employment tests require employees within all empire zones, even zones where you are not certified.
  • Completing the credit schedules as a New York S corporation: New York S corporations must not complete Schedule E or Schedule L.
  • Answering without marking a box: Mark an X in the appropriate box for Yes or No questions.

Questions people ask

Which section should I complete?

Complete Section 1 if you were first certified before April 1, 2005. Complete Section 2 if you were first certified on or after April 1, 2005. Do not complete both.

Must I include the blank page?

Yes. The form requires all seven pages to be filed with your return, including the intentionally blank page 4.

Do I need to attach my certification documents?

Yes. Attach copies of all Certificates of Eligibility, including retention certificates.

Do New York S corporations complete the credit calculation schedules?

No. The form says New York S corporations do not complete Schedule E or Schedule L.

What must I attach for a valid business purpose claim?

Schedule G, for QEZEs first certified before August 1, 2002, says to mark the box and attach a notarized statement describing in detail how the QEZE meets the valid business purpose test.

Official sources

All versions of CT-604