Implements § 261Open in workspace
Reg. § 1.261-1 General rule for disallowance of deductions.
26 CFR § 1.261-1eCFR, current through 2026-07-14
In computing taxable income, no deduction shall be allowed, except as otherwise expressly provided in Chapter 1 of the Code, in respect of any of the items specified in Part IX (section and following), Subchapter B, Chapter 1 of the Code, and the regulations thereunder.