Instructions for IRS Form 1120 U.S. Corporation Income Tax Return

Notification Icon This version of the form is not currently in use and is provided for reference only. Download this version of Instructions for IRS Form 1120 for the current year.

Instructions for IRS Form 1120 U.S. Corporation Income Tax Return

This document contains official instructions for IRS Form 1120 , U.S. Corporation Income Tax Return - a tax form released and collected by the Internal Revenue Service (IRS), a subdivision of the U.S. Department of the Treasury. An up-to-date fillable IRS Form 1120 Schedule D is available for download through this link.

FAQ

Q: What is IRS Form 1120?
A: IRS Form 1120 is the U.S. Corporation Income Tax Return.

Q: Who needs to file Form 1120?
A: All domestic corporations (including S corporations) are required to file Form 1120.

Q: When is the deadline to file Form 1120?
A: The deadline to file Form 1120 is generally the 15th day of the 4th month after the end of the corporation's tax year.

Q: What information is required to complete Form 1120?
A: Form 1120 requires information about the corporation's income, deductions, credits, and other relevant financial details.

Q: Are there any penalties for not filing Form 1120?
A: Yes, failure to file Form 1120 or filing it late can result in penalties and interest charges.

Q: Can I e-file Form 1120?
A: Yes, you can e-file Form 1120 if you meet the requirements for electronic filing.

Q: Are there any special rules or deductions for small corporations?
A: Yes, there are certain tax provisions and deductions specifically designed for small corporations.

Q: Do I need to attach any supporting documents with Form 1120?
A: You may need to attach certain schedules and statements depending on the corporation's specific situation.

ADVERTISEMENT

Instruction Details:

  • This 28-page document is available for download in PDF;
  • Not applicable for the current tax year. Choose a more recent version to file this year's taxes;
  • Complete, printable, and free.

Download your copy of the instructions by clicking the link below or browse hundreds of other forms in our library of IRS-released tax documents.

Download Instructions for IRS Form 1120 U.S. Corporation Income Tax Return

4.7 of 5 (77 votes)
  • Instructions for IRS Form 1120 U.S. Corporation Income Tax Return

    1

  • Instructions for IRS Form 1120 U.S. Corporation Income Tax Return, Page 2

    2

  • Instructions for IRS Form 1120 U.S. Corporation Income Tax Return, Page 3

    3

  • Instructions for IRS Form 1120 U.S. Corporation Income Tax Return, Page 4

    4

  • Instructions for IRS Form 1120 U.S. Corporation Income Tax Return, Page 5

    5

  • Instructions for IRS Form 1120 U.S. Corporation Income Tax Return, Page 6

    6

  • Instructions for IRS Form 1120 U.S. Corporation Income Tax Return, Page 7

    7

  • Instructions for IRS Form 1120 U.S. Corporation Income Tax Return, Page 8

    8

  • Instructions for IRS Form 1120 U.S. Corporation Income Tax Return, Page 9

    9

  • Instructions for IRS Form 1120 U.S. Corporation Income Tax Return, Page 10

    10

  • Instructions for IRS Form 1120 U.S. Corporation Income Tax Return, Page 11

    11

  • Instructions for IRS Form 1120 U.S. Corporation Income Tax Return, Page 12

    12

  • Instructions for IRS Form 1120 U.S. Corporation Income Tax Return, Page 13

    13

  • Instructions for IRS Form 1120 U.S. Corporation Income Tax Return, Page 14

    14

  • Instructions for IRS Form 1120 U.S. Corporation Income Tax Return, Page 15

    15

  • Instructions for IRS Form 1120 U.S. Corporation Income Tax Return, Page 16

    16

  • Instructions for IRS Form 1120 U.S. Corporation Income Tax Return, Page 17

    17

  • Instructions for IRS Form 1120 U.S. Corporation Income Tax Return, Page 18

    18

  • Instructions for IRS Form 1120 U.S. Corporation Income Tax Return, Page 19

    19

  • Instructions for IRS Form 1120 U.S. Corporation Income Tax Return, Page 20

    20

  • Instructions for IRS Form 1120 U.S. Corporation Income Tax Return, Page 21

    21

  • Instructions for IRS Form 1120 U.S. Corporation Income Tax Return, Page 22

    22

  • Instructions for IRS Form 1120 U.S. Corporation Income Tax Return, Page 23

    23

  • Instructions for IRS Form 1120 U.S. Corporation Income Tax Return, Page 24

    24

  • Instructions for IRS Form 1120 U.S. Corporation Income Tax Return, Page 25

    25

  • Instructions for IRS Form 1120 U.S. Corporation Income Tax Return, Page 26

    26

  • Instructions for IRS Form 1120 U.S. Corporation Income Tax Return, Page 27

    27

  • Instructions for IRS Form 1120 U.S. Corporation Income Tax Return, Page 28

    28

  • Instructions for IRS Form 1120 U.S. Corporation Income Tax Return, Page 1
  • Instructions for IRS Form 1120 U.S. Corporation Income Tax Return, Page 2
  • Instructions for IRS Form 1120 U.S. Corporation Income Tax Return, Page 3
  • Instructions for IRS Form 1120 U.S. Corporation Income Tax Return, Page 4
  • Instructions for IRS Form 1120 U.S. Corporation Income Tax Return, Page 5
  • Instructions for IRS Form 1120 U.S. Corporation Income Tax Return, Page 6
  • Instructions for IRS Form 1120 U.S. Corporation Income Tax Return, Page 7
  • Instructions for IRS Form 1120 U.S. Corporation Income Tax Return, Page 8
  • Instructions for IRS Form 1120 U.S. Corporation Income Tax Return, Page 9
  • Instructions for IRS Form 1120 U.S. Corporation Income Tax Return, Page 10
  • Instructions for IRS Form 1120 U.S. Corporation Income Tax Return, Page 11
  • Instructions for IRS Form 1120 U.S. Corporation Income Tax Return, Page 12
  • Instructions for IRS Form 1120 U.S. Corporation Income Tax Return, Page 13
  • Instructions for IRS Form 1120 U.S. Corporation Income Tax Return, Page 14
  • Instructions for IRS Form 1120 U.S. Corporation Income Tax Return, Page 15
  • Instructions for IRS Form 1120 U.S. Corporation Income Tax Return, Page 16
  • Instructions for IRS Form 1120 U.S. Corporation Income Tax Return, Page 17
  • Instructions for IRS Form 1120 U.S. Corporation Income Tax Return, Page 18
  • Instructions for IRS Form 1120 U.S. Corporation Income Tax Return, Page 19
  • Instructions for IRS Form 1120 U.S. Corporation Income Tax Return, Page 20
  • Instructions for IRS Form 1120 U.S. Corporation Income Tax Return, Page 21
  • Instructions for IRS Form 1120 U.S. Corporation Income Tax Return, Page 22
  • Instructions for IRS Form 1120 U.S. Corporation Income Tax Return, Page 23
  • Instructions for IRS Form 1120 U.S. Corporation Income Tax Return, Page 24
  • Instructions for IRS Form 1120 U.S. Corporation Income Tax Return, Page 25
  • Instructions for IRS Form 1120 U.S. Corporation Income Tax Return, Page 26
  • Instructions for IRS Form 1120 U.S. Corporation Income Tax Return, Page 27
  • Instructions for IRS Form 1120 U.S. Corporation Income Tax Return, Page 28
Prev 1 2 3 4 5 ... 28 Next
ADVERTISEMENT