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Connecticut Schedule CT-1040WH
Supplemental Schedule CT-1040WH, Connecticut Income ... - CT.gov

Supplemental Schedule CT-1040WH, Connecticut Income ... - CT.gov 2025

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The document is the Supplemental Schedule CT-1040WH for the State of Connecticut, used for reporting income tax withholding when a taxpayer has more than seven forms W-2, 1099, or Schedule CT K-1. It provides instructions on how to fill out the schedule, including entering employer identification numbers, Connecticut wages, and tax withheld. The total Connecticut income tax withheld must be calculated and reported on the appropriate lines of the main tax forms.

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How to complete Supplemental Schedule CT-1040WH, Connecticut Income ... - CT.gov for 2025 online

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Click 'Get Form' to open it in the editor.
Begin by entering your name and Social Security Number at the top of the form. If filing jointly, include your spouse's information as well.
In Line 1, indicate the total number of W-2, 1099, and Schedule CT K-1 forms showing Connecticut income tax withholding.
For Line 2, fill out Columns A, B, and C based on the specific forms you received. Ensure to enter the Employer’s Federal ID Number in Column A, Connecticut wages in Column B, and Connecticut income tax withheld in Column C.
In Line 3, sum up all amounts from Column C and enter this total. This amount should also be reported on your main tax form.
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What is CT income tax?

Connecticut Tax Rates, Collections, and Burdens Connecticut has a graduated state individual income tax, with rates ranging from 2.00 percent to 6.99 percent. Connecticut has a 7.5 percent corporate income tax rate. Connecticut also has a 6.35 percent state sales tax rate and does not have local sales taxes.

What is the CT tax payment form?

Use Form CT‑1040ES, Estimated Connecticut Income Tax Payment Coupon for Individuals, to make estimated Connecticut income tax payments for 2024 by mail. If you made estimated tax payments by mail in 2023, you will automatically receive coupons for the 2024 taxable year in mid‑January.

What is Connecticut source income?

Connecticut‑sourced income of a part‑year resident is the sum of: Connecticut adjusted gross income for the part of the year you were a resident; Income derived from or connected with Connecticut sources for the part of the year you were a nonresident; and. Special accruals.

What is the income exclusion for pension in CT?

The law fully exempts qualifying pension and annuity income (including 401(k), 403(b), or 457(b) plans) from income tax for taxpayers with federal AGIs below (1) $75,000 for single filers, married people filing separately, and heads of household or (2) $100,000 for married people filing jointly.

What is schedule CT dependent?

Complete this schedule to report dependents claimed on your 2022 federal Form 1040. This information will be used by the Connecticut Department of Revenue Services (DRS) to determine your eligibility for any DRS administered programs.

Is disability income taxable in CT?

In Rhode Island, Massachusetts and Connecticut, most people who receive Social Security Disability Insurance (SSDI) benefits wind up not having to pay taxes on their benefits. However, if you have other income, you may have to pay taxes on a portion of your SSDI benefits.

What is a CT 1040 form?

Connecticut Resident Income Tax Return.

What is Schedule CT K 1?

A pass-through entity (PE) must furnish Schedule CT K-1, Members Share of Certain Connecticut Items, to all members. General Instructions for PEs. A PE must complete Part I for resident noncorporate members, nonresident noncorporate members, and members that are pass-through entities.