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

IRS Form 1120 Schedule D Capital Gains and Losses

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

Q: Who needs to file Form 1120?
A: U.S. corporations, including S corporations, must file Form 1120.

Q: What information is required on Form 1120?
A: Form 1120 requires information about the corporation's income, expenses, deductions, and credits.

Q: When is the deadline to file Form 1120?
A: The deadline to file Form 1120 is typically the 15th day of the 3rd month after the end of the corporation's tax year.

Q: Can Form 1120 be filed electronically?
A: Yes, Form 1120 can be filed electronically using the e-file system.

Q: Are there any penalties for late filing of Form 1120?
A: Yes, there are penalties for late filing of Form 1120, so it's important to file on time.

Q: Do I need to include any supporting documents with Form 1120?
A: You may need to include supporting documents such as schedules and forms, depending on your corporation's activities and income.

Q: Can I amend Form 1120 if I made an error?
A: Yes, you can file an amended return using Form 1120X if you made an error on your original Form 1120.

Q: What if my corporation doesn't owe any tax?
A: Even if your corporation doesn't owe any tax, you may still need to file Form 1120 to report information to the IRS.