
CT-1040
Resident Income Tax Return
Core filing sheet for full-year Nutmeggers to unpack wages, gigs, and investments against deductions/credits, spitting out whether the state treasury sends you a check or vice versa.
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What is a CT-1040 form?
Core filing sheet for full-year Nutmeggers to unpack wages, gigs, and investments against deductions/credits, spitting out whether the state treasury sends you a check or vice versa.
- Gather fed docs: 1040, W-2s, 1099s, prior CT return.
- Enter filing status, dependents, CT residency dates.
- Adjust fed AGI for CT mods (add/subtract state diffs), compute tax via tables.
- Attach Sch 1 (mods), Sch 2 (credits), W-2s; check math.
- Calc total tax minus payments for refund/due; add voucher if mailing pay.
- Sign/date (e-sign joint); preparer if used.
- E-file myconneCT or mail PO Box 1309, Hartford, CT 06101; save copies 3 yrs.
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