State Tax Forms
Official-source U.S. state tax forms for income, sales, withholding, franchise, and business tax filings.
Use current official-source forms
These pages prioritize forms with government or issuing-authority sources, source links, PDF workflows, and clear filing context. Always confirm final filing rules, fees, and submission channels with the official source.
Before filing
- Confirm the tax year and state residency rules.
- Review state-specific filing addresses, e-file options, and payment instructions.
- Compare federal and state amounts before submission.
150 State Tax Forms
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Colorado DR-0158-C(2023)
Extension Payment Voucher for C Corporation
Colorado extension payment voucher for C corporation income tax filers requesting additional time to file.
Colorado DR-0158-I(2023)
Extension Payment Voucher for Individual
Colorado extension payment voucher for individual income tax filers requesting additional time to file.
Colorado DR-0204(2024)
Estimated Income Tax Payment Voucher
Colorado estimated income tax payment voucher for individuals making quarterly estimated payments.
Colorado DR-0900(2023)
Individual Income Tax Payment Voucher
Colorado payment voucher for submitting individual income tax payments.
Colorado DR-0900C(2023)
C Corporation Income Tax Payment Voucher
Colorado payment voucher for submitting C corporation income tax payments.
Colorado DR-0900F(2023)
Fiduciary Income Tax Payment Voucher
Colorado payment voucher for submitting fiduciary (estate/trust) income tax payments.
Colorado Income Tax Return(2025)
Colorado Individual Income Tax Return
Colorado Department of Revenue form for filing annual state income tax returns.
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.
CT-1040 EXT (Connecticut)(2024)
Application for Extension of Time to File
Connecticut application for extension of time to file individual income tax return.
CT-1040 TCS (Connecticut)(2024)
Tax Calculation Schedule
Connecticut tax calculation schedule used with Form CT-1040 to compute tax liability.
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.
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.
CT-400 (New York)(2025)
Estimated Tax for Corporations
New York estimated tax payment form for corporations required to make quarterly estimated tax payments.
CT-W4P (Connecticut)(2024)
Withholding Certificate for Pension or Annuity Payments
Connecticut withholding certificate for pension, annuity, and other retirement distributions.
E-500 (North Carolina)(2025)
Sales and Use Tax Return
North Carolina monthly or quarterly sales and use tax return filed by registered retailers and sellers.
Employer Withholding Guide (Maryland)(2024)
Maryland Employer Withholding Guide
Comprehensive guide for Maryland employers on income tax withholding, including tax tables and filing requirements.
Employer's Tax Guide (Georgia)(2024)
Georgia Employer's Tax Guide
Comprehensive guide for Georgia employers covering withholding tax responsibilities, filing requirements, and tax tables.
Estimated F&E Tax (Tennessee)(2024)
Estimated Franchise and Excise Tax Payment Voucher
Tennessee estimated franchise and excise tax quarterly payment voucher for businesses.
ET-706 (New York)(2025)
New York State Estate Tax Return
New York estate tax return for estates of deceased New York residents or nonresidents with New York property.
FAE170 Instructions (Tennessee)(2024)
Franchise & Excise Tax Return Instructions
Instructions for Tennessee Form FAE170 franchise and excise tax return.
FAE173 (Tennessee)(2024)
Franchise & Excise Tax Annual Return
Tennessee franchise and excise tax annual return form for qualifying entities.
Form 1-NR/PY (Massachusetts)(2025)
Massachusetts Nonresident/Part-Year Resident Income Tax Return
Massachusetts income tax return for nonresidents and part-year residents who earned income in Massachusetts.
Form 500 (Georgia)(2024)
Individual Income Tax Return
Georgia individual income tax return for full-year residents. Used to file Georgia state income taxes.
Form 500 (Maryland)(2023)
Corporation Income Tax Return
Maryland corporation income tax return for C corporations doing business in Maryland.