Corporations file Schedule M-3 (Form 1120) to answer questions about their financial statements and reconcile financial statement net income (loss) for the corporation to net and taxable income on Form 1120. Current Revision Schedule M-3 (Form 1120) PDF Instructions for Schedule M-3 (Form 1120) (Print Version) PDF Recent Developments Contributions in aid of construction for regulated water and sewerage disposal utility companies -- 14-JAN-2022 Other Items You May Find Useful All Schedule M-3 (Form 1120) Revisions Other Current Products Related About Form 1120, U.S. Corporation Income Tax Return About Form 1120-C, U.S. Income Tax Return for Cooperative Associations About Form 8916, Reconciliation of Schedule M-3 Taxable Income with Tax Return Taxable Income for Mixed Groups About Form 8916-A, Supplemental Attachment to Schedule M-3 About Schedule B (Form 1120), Additional Information for Schedule M-3 Filers