Use Form 1120-S to report the income, gains, losses, deductions, credits, etc., of a domestic corporation or other entity for any tax year covered by an election to be an S corporation. Current Revision Form 1120-S PDF Instructions for Form 1120-S (Print Version PDF) Recent Developments Treasury and IRS release draft partnership form to provide greater clarity on international tax reporting --18-AUG-2020 Taxpayer Relief for Certain Tax-Related Deadlines Due To Coronavirus Pandemic -- 14-APR-2020 Micro-Captive Arrangements -- 23-MAR-2020 Other Items You May Find Useful Reporting Related to IRC Section 965 on 2017 Returns Tax Reform Guidance for 1120 filers All Form 1120-S Revisions S Corporations Publications You May Find Useful Other Current Products Related Items About Form 1120-S Related Schedules About Form 720, Quarterly Federal Excise Tax Return About Form 940, Employer's Annual Federal Unemployment (FUTA) Tax Return About Form 943, Employer's Annual Federal Tax Return for Agricultural Employees About Form 944, Employer's Annual Federal Tax Return About Form 945, Annual Return of Withheld Federal Income Tax About Form 982, Reduction of Tax Attributes Due to Discharge of Indebtedness (and Section 1082 Basis Adjustment) About Form 1125-A, Cost of Goods Sold About Form 1120-S Additional Related Forms