Treasury Regulations · 26 CFR
§ 1.161-1. Allowance of deductions.
Regulation text, no changes From the eCFR, current as of October 15, 2026. The eCFR is an authoritative but unofficial editorial compilation of the Code of Federal Regulations; the official text is the annual CFR on govinfo. Compare it with this section on ecfr.gov (external site) or the official annual CFR on govinfo (external site).
Regulation under 26 U.S.C. § 161
Cite as 26 CFR § 1.161-1
At a glance
Read from the text and its source citation. Not part of the regulation.
- Status
- In the current eCFR
- Source
- T.D. 6500, 25 FR 11402, Nov. 26, 1960; 25 FR 14021, Dec. 21, 1960; T.D. 9989, 89 FR 17606, Mar. 11, 2024, unless otherwise noted.
- Issued under
- 26 U.S.C. § 161
- Length
- 123 words · about 1 min to read
- Cross-references
- cites 4 Code sections and 0 regulations; cited by 0
Section 161 provides for the allowance as deductions, in computing taxable income under section 63(a), of the items specified in Part VI (section 161 and following), Subchapter B, Chapter 1 of the Code, subject to the exceptions provided in Part IX (section 261 and following), of such Subchapter B, relating to items not deductible. Double deductions are not permitted. Amounts deducted under one provision of the Internal Revenue Code of 1954 cannot again be deducted under any other provision thereof. See also section 7852(c), relating to the taking into account, both in computing a tax under Subtitle A of the Internal Revenue Code of 1954 and a tax under Chapter 1 or 2 of the Internal Revenue Code of 1939, of the same item of deduction.
Cross-references
Computed from the citations in the text of 26 CFR.
Code sections it cites
Where it sits in 26 CFR
- Subchapter A Income tax
- Part 1 Income taxes
- Itemized Deductions for Individuals and Corporations
Nearby sections
- § 1.161-1 Allowance of deductions.
- § 1.162-1 Business expenses.
- § 1.162-2 Traveling expenses.
- § 1.162-3 Materials and supplies.
- § 1.162-4 Repairs.