2025 Form CT-1040NR/PY Instructions
Connecticut Nonresident and Part-Year Resident Income Tax Return Instructions
Download or Print 2025 Connecticut Form CT-1040NR/PY Instructions
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About Connecticut Form CT-1040NR/PY Instructions
Connecticut Form CT-1040NR/PY instructions explain how part-year residents and nonresidents complete Form CT-1040NR/PY, the Connecticut Nonresident and Part-Year Resident Income Tax Return. Use the instructions to confirm filing requirements, review residency rules, allocate income from Connecticut sources, complete each line of the return, and determine which schedules or supporting forms apply.
The instructions also include information about Schedule CT-SI, Schedule CT-1040AW, tax calculation, credits, payments, refunds, mailing addresses, electronic filing, amended returns, and extensions. Full-year Connecticut residents generally use the CT-1040 instructions instead.
Connecticut Form CT-1040NR/PY Instructions PDF Files by Year
Click any of the Connecticut Form CT-1040NR/PY Instructions PDF links above to download, save, view, and print the file for the corresponding year. These free PDF files are unaltered and are sourced directly from the publisher.
Related Connecticut Part-Year and Nonresident Tax Forms
Need to download more state income tax forms? View the 2025 Connecticut part-year resident tax forms or nonresident tax forms lists.
| Form Code | Form Name |
|---|---|
| Form CT-1040NR/PY | Connecticut Nonresident and Part-Year Resident Income Tax Return |
| Schedule CT-1040AW | Part-Year Resident Income Allocation |
| Schedule CT-SI | Nonresident or Part-Year Resident Schedule of Income from Connecticut Sources |
| Schedule CT-IT Credit | Income Tax Credit Summary |
Frequently Asked Questions (FAQ)
Here are answers to common questions about downloading, printing, and using 2025 Connecticut Form CT-1040NR/PY Instructions.
What are the 2025 Connecticut Form CT-1040NR/PY Instructions used for?
Use the CT-1040NR/PY instructions with Form CT-1040NR/PY to complete a Connecticut nonresident or part-year resident income tax return. The instructions explain filing requirements, residency, income allocation, line-by-line entries, tax calculation, credits, payments, refunds, and mailing addresses.
Who should use Connecticut Form CT-1040NR/PY Instructions?
Part-year Connecticut residents and nonresidents generally use the CT-1040NR/PY instructions when preparing Form CT-1040NR/PY. Full-year Connecticut residents generally use the CT-1040 instructions instead.
Do the CT-1040NR/PY instructions explain income allocation?
Yes. The instructions explain how nonresidents and part-year residents report Connecticut-source income and complete related schedules such as Schedule CT-SI and Schedule CT-1040AW. Review the line instructions as you complete Form CT-1040NR/PY so you know which forms to include.
Where can I find the Connecticut tax tables?
The CT-1040NR/PY instructions include tax calculation information used to complete your Connecticut nonresident or part-year resident return. If you need the separate tax table page, see the Connecticut tax tables.
Where do I mail Connecticut Form CT-1040NR/PY?
Use the mailing address listed in the CT-1040NR/PY instructions for your filing situation. Connecticut mailing addresses may depend on whether you are making a payment, requesting a refund, or filing a return without payment.
Last updated: August 1, 2026
References:
- Form CT-1040NR/PY Connecticut Nonresident and Part-Year Resident Income Tax Return Instructions. State of Connecticut, Connecticut Department of Revenue. Retrieved August 1, 2026.
- Form CT-1040NR/PY Connecticut Nonresident and Part-Year Resident Income Tax Return. State of Connecticut, Connecticut Department of Revenue. Retrieved August 1, 2026.
- Individual Income Tax Forms. State of Connecticut, Connecticut Department of Revenue. Retrieved August 1, 2026.
- Connecticut Nonresident and Part-Year Resident Tax Information. State of Connecticut, Connecticut Department of Revenue. Retrieved August 1, 2026.