Schedule CT-1041WH: Connecticut Income Tax Withholding (2025)
Connecticut · Connecticut DRS · Used for tax years 2025
Schedule CT-1041WH is a supplemental schedule for trusts and estates to report 2025 Connecticut income tax withholding not reported on Form CT-1041. It lists withholding from Forms 1099, Forms W-2G, and Schedules CT K-1, with the total carried to Form CT-1041, Line 10f.
Who files this form
Use Supplemental Schedule CT-1041WH only if the trust or estate has more than five Forms 1099, Forms W-2G, or Schedules CT K-1. It reports Connecticut income tax withholding not reported on Form CT-1041.
Include only forms showing Connecticut income tax withheld.
What you'll need
Have the trust or estate’s name and Federal Employer Identification Number (FEIN), Form CT-1041, and the 2025 Forms 1099, Forms W-2G, or Schedules CT K-1 showing Connecticut withholding.
Use these details to complete the schedule:
| Source document | Column A | Column B | Column C |
| --- | --- | --- | --- |
| Form 1099-MISC | Payer’s nine-digit FEIN or TIN | Connecticut state income, Box 18 | Connecticut tax withheld, Box 16 |
| Form 1099-NEC | Payer’s nine-digit federal identification number or TIN | Connecticut state income, Box 7 | Connecticut tax withheld, Box 5 |
| Form 1099-R | Payer’s nine-digit FEIN or TIN | Connecticut state distribution, Box 16 | Connecticut tax withheld, Box 14 |
| Form W-2G | Payer’s nine-digit FEIN | Connecticut gross winnings, Box 1 | Connecticut tax withheld, Box 15 |
| Schedule CT K-1 | Pass-through entity’s nine-digit FEIN | Leave blank | Connecticut income tax paid on your behalf, Part 3, Line 1 |
How to file
- Enter the trust or estate’s name and FEIN.
- On Line 1, enter the number of 2025 Forms 1099, Forms W-2G, and Schedules CT K-1 showing Connecticut withholding that you report on this schedule.
- Enter the source-document details in Line 2. For Schedule CT K-1 entries, check the box to the left of Column C and leave Column B blank.
- Add the amounts in Column C. Enter the total on Line 3 and on Form CT-1041, Line 10f.
- Attach Supplemental Schedule CT-1041WH to the back of Form CT-1041. If you have additional forms to report, create an identical schedule and attach it to the back of the return.
Complete the schedule in blue or black ink only. Do not use staples.
Common mistakes
- Using the wrong year’s form. Forms are year specific. Use the 2025 form for the 2025 taxable year to avoid processing delays.
- Using this schedule with five or fewer source forms. Complete it only if you have more than five Forms 1099, Forms W-2G, or Schedules CT K-1.
- Reporting Pass-Through Entity Tax Credits. Do not report those credits on this schedule.
- Including federal or other states’ withholding in Column C. Report only Connecticut withholding.
- Completing Schedule CT K-1 entries incorrectly. Leave Column B blank and check the box to the left of Column C.
- Using other ink colors or staples. Use blue or black ink only, and do not staple the documents.
Questions people ask
What does Line 1 count?
Count the 2025 Forms 1099, Forms W-2G, and Schedules CT K-1 showing Connecticut income tax withheld that you are reporting on this supplemental schedule.
Where does the total withholding go?
Add the amounts in Line 2, Column C. Enter the total on this schedule’s Line 3 and on Form CT-1041, Line 10f.
How do I report a Schedule CT K-1?
Enter the pass-through entity’s nine-digit FEIN in Column A. Enter the Connecticut income tax paid on your behalf from Part 3, Line 1 in Column C. Check the box to the left of Column C and leave Column B blank. Do not use this schedule to report Pass-Through Entity Tax Credits.
What if I need more space?
Create an identical schedule for additional Forms 1099, Forms W-2G, or Schedules CT K-1, and attach it to the back of your Connecticut Income Tax Return for Trusts and Estates.
Where can I find more information?
The form directs readers to Connecticut DRS and its trusts and estates tax information page.