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Connecticut DRS Forms

Browse source-backed connecticut drs forms with fillable PDF workflows, official source links, and filing context for common document tasks.

8 fillable formsOfficial source linksUpdated May 13, 2026

Use current Connecticut DRS forms

These listings prioritize indexable, source-backed form pages with clear descriptions and official filing context. Confirm the final submission method with the issuing source before sending sensitive information.

Filing checklist

  • Confirm the current Connecticut DRS form edition before filing.
  • Review official instructions for fees, deadlines, signatures, and submission channels.
  • Keep a copy of the completed PDF and any official confirmation or receipt.

8 Connecticut DRS Forms

Page 1 of 1

CT-1040 (Connecticut)(2024)

Connecticut Resident Income Tax Return

Connecticut resident individual income tax return. The primary form for Connecticut residents to file state income taxes.

🇺🇸tax
Official

CT-1040 EXT (Connecticut)(2024)

Application for Extension of Time to File

Connecticut application for extension of time to file individual income tax return.

🇺🇸tax
Official

CT-1040 TCS (Connecticut)(2024)

Tax Calculation Schedule

Connecticut tax calculation schedule used with Form CT-1040 to compute tax liability.

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CT-1040NR/PY (Connecticut)(2024)

Nonresident/Part-Year Resident Income Tax Return

Connecticut nonresident and part-year resident income tax return for individuals who moved into or out of Connecticut during the tax year.

🇺🇸tax
Official

CT-1040X (Connecticut)(2024)

Amended Connecticut Income Tax Return

Connecticut amended income tax return for individuals who need to correct a previously filed CT-1040.

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Official

CT-W4 (Connecticut)(2024)

Employee's Withholding Certificate

Connecticut employee withholding certificate, the state equivalent of federal W-4. Used to determine Connecticut income tax withholding.

🇺🇸employment
Official

CT-W4NA (Connecticut)(2024)

Employee's Withholding Certificate - Nonresident Apportionment

Connecticut withholding certificate for nonresident employees who apportion income earned in Connecticut.

🇺🇸employment
Official

CT-W4P (Connecticut)(2024)

Withholding Certificate for Pension or Annuity Payments

Connecticut withholding certificate for pension, annuity, and other retirement distributions.

🇺🇸tax
Official