
Schedule M-1 and M-3 Book-Tax Reconciliation: From GAAP Net Income to Form 1120 Taxable Income
Schedule M-3 kicks in at $10 million of year-end total assets and demands four-column detail on every book-tax difference; M-1 stays single-page below that line. A CFO walkthrough of how the reconciliation works, the recurring permanent and temporary differences, and the habits that keep the schedule clean.










