Easily e-file your Form 1120 online with pdfFiller

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Last updated on Jan 1, 2026

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Every tax form you need in one place: e-file Form 1120 online

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2007 1120 form
2007 1120 form
Form 1120 U.S. Corporation Income Tax Return For calendar year 2007 or tax year beginning, 2007, ending See separate instructions. Name OMB No. 1545-0123 Department of the Treasury Internal Revenue Service, 20 2007 A Check if: 1a Consolidated return ...
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1994 1120 form
1994 1120 form
Form 1120 U.S. Corporation Income Tax Return For calendar year 1994 or tax year beginning, 1994, ending, 19 Instructions are separate. See page 1 for Paperwork Reduction Act Notice. Use Name IRS label. Other- Number, street, and room or suite no. (If...
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2014 1120 form
2014 1120 form
1120FormDepartment of the Treasury Internal Revenue ServiceNow calendar year 2014 or tax year beginning ending Information about Form 1120 and its separate instructions is at www.irs.gov/form1120. A Check if: 1a Consolidated return (attach Form 851) ...
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2018 1120 form
2018 1120 form
1120U. S. Corporation Income Tax Returner Department of the Treasury Internal Revenue Service A Check if: 1a Consolidated return (attach Form 851). B Life/nonlife consolidated return. . . 2 Personal holding co. (attach Sch. PH). .3 Personal service c...
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Easily e-file your Form 1120 online with pdfFiller

Learn more about Form 1120 before you e-file

Form 1120 is the U.S. Corporation Income Tax Return, designed for corporations to report income, gains, losses, deductions, and credits. Understanding the requirements and specifications of this form is essential for accurate tax compliance.

Who needs to e-file Form 1120?

  • Domestic corporations operating in the United States.
  • Foreign corporations with income sourced from U.S. operations.
  • S corporations, which are taxed as pass-through entities but may file Form 1120 occasionally.

Other forms you should prepare when you e-file Form 1120

When filing Form 1120, corporations may need to include additional schedules and forms, such as Schedule C for dividends and special deductions, or Schedule J for tax computation. It’s vital to refer to the latest IRS guidance to ensure all necessary documentation accompanies Form 1120.

What information is required to e-file Form 1120?

  • Legal name of the corporation and its Employer Identification Number (EIN).
  • Principal business activity and address.
  • Income, deductions, and tax credits for the applicable tax year.
  • Information regarding shareholders and stock ownership.

Filing requirements

To submit Form 1120, corporations must adhere to deadlines set by the IRS, typically on the 15th day of the fourth month after the end of their tax year. Filing late or providing inaccurate data may result in penalties. Corporations can e-file or mail their completed forms and must ensure compliance with electronic filing requirements where applicable.

How do e-file Form 1120 with pdfFiller?

pdfFiller simplifies the e-filing process for Form 1120, providing an intuitive interface for editing, eSigning, and submitting documents seamlessly online.

  • Click the 'Get form' button to access Form 1120.
  • Read the instructions on the form carefully.
  • Fill in the required fields, using the navigation tools to ensure every section is completed.
  • Use editing features to add images if necessary and complete any checkboxes using the Cross or Check tool.
  • Click 'Sign' to add your legally binding eSignature if required.
  • Review your completed Form 1120 thoroughly before submission.
  • Click the 'Done' button and select how to save and share your document via email, fax, or USPS directly from the editor.
  • Access your completed documents anytime 24/7, or convert them into reusable templates.

Get started with pdfFiller today to ensure your Form 1120 and other tax-related paperwork is prepared accurately and on time.

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