Recommended by IRS

About Form, 1120 U.S. Corporation Income Tax Return

Information about Form, 1120 U.S. Corporation Income Tax Return, including recent updates, related forms and instructions on how to file.

Form 1120 PDF
PDF version of Form 1120.
Instructions for Form 1120 PDF
Instructions explaining how to file Form 1120.

Elective pay and transferability frequently asked questions: Elective pay

Elective pay and transferability frequently asked questions: Elective pay
Frequently Asked Questions
Charities and Nonprofits, Businesses, Individuals

Frequently asked questions regarding eligible census tracts for purposes of the alternative fuel vehicle refueling property credit under Section 30c

Frequently asked questions regarding eligible census tracts for purposes of the Alternative Fuel Vehicle Refueling Property Credit under § 30C
Frequently Asked Questions

Frequently asked questions for the dealer and seller energy credits online registration

Frequently asked questions for dealers and sellers to register through IRS Energy Credits Online.
Frequently Asked Questions
Businesses

Elective pay and transferability frequently asked questions: Transferability

Elective pay and transferability frequently asked questions: Transferability
Frequently Asked Questions
Individuals, Businesses, Charities and Nonprofits

Topic D — Frequently asked questions about eligibility rules for the Previously-Owned Clean Vehicles Credit

Topic D — Frequently asked questions about eligibility rules for the Previously-Owned Clean Vehicles Credit
Frequently Asked Questions
Individuals

Topic B — Frequently asked questions about income and price limitations for the New Clean Vehicle Credit

Frequently asked questions about income and price limitations for the new Clean Vehicle Credit.
Frequently Asked Questions
Individuals, Tax Professionals, Businesses

Topic I — Frequently asked questions about registering a dealer/seller for seller reporting and Clean Vehicle Tax Credit transfers

Topic I — Frequently asked questions about registering a dealer/seller for seller reporting and Clean Vehicle Tax Credit transfers
Frequently Asked Questions
Businesses