This version of the form is not currently in use and is provided for reference only. Download this version of Instructions for Form CT-400 for the current year.
This document contains official instructions for Form CT-400 , Estimated Tax for Corporations - a form released and collected by the New York State Department of Taxation and Finance.
Q: What is Form CT-400?
A: Form CT-400 is a tax form used by corporations in New York to estimate and pay their state income tax.
Q: Who needs to file Form CT-400?
A: Corporations operating in New York are required to file Form CT-400 if they have estimated tax liability of $1,000 or more.
Q: What information is required on Form CT-400?
A: Form CT-400 requires information about the corporation's income, deductions, and estimated tax payments.
Q: When is Form CT-400 due?
A: Form CT-400 is due on the 15th day of the 3rd month after the close of the tax year.
Q: Are there any penalties for late filing?
A: Yes, there may be penalties for late filing, including interest charges on unpaid tax.
Instruction Details:
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