Life insurance companies use this form to report income, gains, losses, deductions, credits, and to figure their income tax liability. Current Revision Form 1120-L PDF Instructions for Form 1120-L (Print Version) PDF Recent Developments IRS approves temporary use of e-signatures for certain forms -- 28-AUG-2020 Taxpayer Relief for Certain Tax-Related Deadlines Due To Coronavirus Pandemic -- 14-APR-2020 Tax Reform Guidance for 1120 filers -- 09-APR-2018 Reporting Related to IRC Section 965 on 2017 Returns -- 08-MAR-2018 Other Items You May Find Useful All Form 1120-L Revisions EFTPS: The Electronic Federal Tax Payment System Taxpayer Advocate Service — Your Voice at the IRS About Publication 15 (Circular E), Employer's Tax Guide About Publication 463, Travel, Entertainment, Gift, and Car Expenses Additional Publications You May Find Useful Other Current Products Related Items About Form 1042, Annual Withholding Tax Return for U.S. Source Income of Foreign Persons About Form 1118, Foreign Tax Credit - Corporations About Form 1120-X, Amended U.S. Corporation Income Tax Return About Form 1120-W, Estimated Tax for Corporations About Schedule D (Form 1120), Capital Gains and Losses About Schedule M-3 (Form 1120-L), Net Income (Loss) Reconciliation for U.S. Life Insurance Companies With Total Assets of $10 Million or More About Schedule UTP (Form 1120), Uncertain Tax Position Statement About Form 1120-L Related Items