Federal Tax Forms
Forms & Instructions
2025 1040 Form information
Additional Tax Resources from the IRS
- Internal Revenue Service website
- Contact your local Internal Revenue Service Office
- Interactive Tax Assistant (ITA) – A tax law resource that takes you through a series of questions and provides you with responses to tax law questions.
Printed Tax Forms and Publications
For tax forms and publications in accessible formats, visit Accessible IRS Tax Products.
Connecticut Tax Forms
To order print forms and instructions, refer to Forms and Publications by US Mail or call 1-800-829-3676.
• 2025 CT-1040 Connecticut Resident Income Tax Return form (Instructions also available)
• 2025 CT-1040 NR/PY Connecticut Nonresident and Part-Year Resident Income Tax Return form. (Instructions also available)
Additional Connecticut Department of Revenue forms and schedules are available online.
Information
More information can be found at the Connecticut Department of Revenue Services website.
You may also contact your local Department of Revenue Services.
Additional Help
The AARP Foundation Tax-Aide Program provides income tax assistance for low to moderate-income taxpayers aged 50 and over who cannot afford tax preparation services.