1120

What is Form 1120: US Corporate Income Tax Return?

Form 1120: US Corporate Income Tax Return is one of the IRS tax forms used by C-Corporations to report income, gains, losses, deductions, and credits to determine tax liability. 

A C-Corporation is separate from its owners (shareholders) in terms of income taxes. This means that the owners do not pay taxes for the corporation, the corporation is responsible for all tax liabilities.

The schedules that need to be filed with an 1120 are as follows. Not all of them are required:

  • Schedule A: Cost of Goods Sold
  • Schedule C: Dividends and Special Deductions
  • Schedule J: Detail on tax computation
  • Schedule K: Information about accounting method, business type, NAICS classification, ownership of stock, information about shareholders
  • Schedule L: Balance Sheet per books
  • Schedule M-1: Reconciliation of Income/Loss per books with income per return
  • Schedule M-2: Analysis of un-appropriated retained earnings per books
  • Compensation of Officers

To complete Form 112s, filers may need information from the following, if applicable:

  • Form 1125-A: Cost of Goods Sold
  • Schedule K: Other Information
  • Schedule L: Balance Sheet
  • Form 4562: Depreciation and Amortization
  • Form 4797: Sale of Assets
  • Form 1099: Miscellaneous Income

 

Form 1120 is due in April, typically the 15th of the year. An extension grants an extra six months, making the return due in October. 

An extension grants an extra six months, making the return due in September.

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