Connecticut Extension Form - Web extension requests estimated tax payments for tax year 2024 annualized income installment method filing form ct. Web connecticut income tax return or extension. Web must file form ct‑1040 ext whether or not you owe additional connecticut income tax.
Web extension requests estimated tax payments for tax year 2024 annualized income installment method filing form ct. Web must file form ct‑1040 ext whether or not you owe additional connecticut income tax. Web connecticut income tax return or extension.