---
type: "LegalText"
title: "26 U.S.C. § 161"
description: "Allowance of deductions"
jurisdiction: "us"
corpus: "united_states_code"
kind: "code_section"
title_number: 26
title_name: "INTERNAL REVENUE CODE"
chapter_number: "1"
chapter_name: "NORMAL TAXES AND SURTAXES"
section: "161"
citation: "26 U.S.C. § 161"
status: "current"
release_point: "119-100"
release_date: "2026-06-26"
source: "official"
source_url: "https://uscode.house.gov/download/releasepoints/us/pl/119/100/xml_usc26@119-100.zip"
source_identifier: "/us/usc/t26/s161"
source_file: "data/legal/raw/us/code/title-26/usc26.xml"
source_hash: "be61de5abcba02ed3812f3e16366f3c9e7850b2ec6e712d1915a92ceb36b52a7"
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text_hash: "541dddf8dbb16e253f9fdcb68b4ea8c1cdbc99bed3e6fabdd09766cb88ee029f"
retrieved_at: "2026-07-04"
confidence: "official"
tags: ["legal", "us-code"]
---

# 26 U.S.C. § 161 - Allowance of deductions

## Text

In computing taxable income under section 63, there shall be allowed as deductions the items specified in this part, subject to the exceptions provided in part IX (sec. 261 and following, relating to items not deductible).

(Aug. 16, 1954, ch. 736, 68A Stat. 45; Pub. L. 95–30, title I, § 102(b)(1), May 23, 1977, 91 Stat. 137.)

## Notes

Editorial Notes

Amendments1977—Pub. L. 95–30 substituted “section 63” for “section 63(a)”.

Statutory Notes and Related Subsidiaries

Effective Date of 1977 AmendmentAmendment by Pub. L. 95–30 applicable to taxable years beginning after Dec. 31, 1976, see section 106(a) of Pub. L. 95–30, set out as a note under section 1 of this title.