Download Free Illinois Corporation Income Tax Return Form

Download Free Illinois Corporation Income Tax Return Form

Download and use this form IL-1120 if you are a corporation that have

  1. net income or loss as defined under the Illinois Income TaxAct (IITA); or
  2. is qualified to do business in the state of Illinois and is required tofile a federal income tax return (regardless of net income or loss).

Form Content–

  • M states Write your federal employer identification no. (FEIN).
  • N states If you are a member of a group filing a federal consolidated return, write the FEIN of the parent.
  • O states Write your North American Industry Classification System Code (NAICS). See instructions.
  • P states Write your corporate file (charter) number assigned to you by the Secretary of State.
  • Q states Write the city, state, and zip code where your accounting records are kept. (Use the two-letter postal abbreviation, e.g., IL, GA, etc.)

Download Free Illinois Corporation Income Tax Return Form

Download IllinoisCorporationIncomeTaxReturn.pdf (300KB)

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