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The document CT-300 is a form issued by the New York Department of Taxation and Finance for C corporations to report and pay their Mandatory First Installment (MFI) of estimated tax. It outlines the necessary information required for filing, including details about the corporation, computation of MFI, payment instructions, and certification by an authorized person. The form is specifically for corporations subject to various tax articles in New York.

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Who is required to file a CT corporate tax return?

Every corporation (or association taxable as a corporation) that carries on business or has the right to carry on business in Connecticut must complete a registration application and file Form CT‑1120, Corporation Business Tax Return.

Who has to pay surtax?

It applies to wages and self-employment income above $250,000 per couple or $200,000 for a single person. For an employee who earns more than $200,000, they would be taxed the regular Medicare tax of 1.45% on the first $200,000 of compensation plus 0.9% surtax on any excess amount over $200,000.

What is CT sales tax percent?

The sales tax rate of 6.35% applies to the retail sale, lease, or rental of most goods (including digital goods, which are described in Special Notice 2019(8), Sales and Use Taxes on Digital Goods and Canned or Prewritten Software) and taxable services. However, see Special Sales Tax Rates Apply to Certain Sales.

What is the Connecticut Corporation Surtax?

Tax Calculation and Credits Companies whose total income reported on line 11 of federal Form 1120 equals or exceeds $100 million, or who file as part of a combined unitary group must pay a surtax of 10% of the tax without regard to credits and tax credit recapture. The surtax does not apply to the minimum tax of $250.

Is CT a 10% surtax?

Connecticut charges a 10% surtax on a businesss tax liability if it has gross proceeds of $100 million or more, or if it files as part of a combined unitary group. This surtax was recently extended and is scheduled to expire on January 1, 2026.

Where do I mail my CT 400?

To submit Form CT-400, complete the form accurately with all required information and ensure payments are calculated. You can file online through your New York State Online Services account or mail the completed form along with any payments to NYS ESTIMATED CORPORATION TAX, PO BOX 15200, ALBANY NY 12212-5200.

What is the 7.35% tax in Connecticut?

Added to the base state sales tax rate of 6.35%, that makes Connecticuts prepared food tax rate 7.35% . Connecticuts restaurant tax applies to: Food and beverages sold for human consumption at the sellers location. Food products sold in forms and portions that make them ready for immediate consumption (ex.

What is NY form CT 300?

Most corporation taxpayers are required to e-file Form CT-300, Mandatory First Installment (MFI) of Estimated Tax for Corporations. You can file Form CT-300 online by using our Web File Online Services, or through approved software for corporation tax e-file.

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