26 CFR § 1.336-5 - Applicability dates.

---
identifier: "/us/cfr/t26/s1.336-5"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "26 CFR § 1.336-5 - Applicability dates."
title_number: 26
title_name: "Internal Revenue"
section_number: "1.336-5"
section_name: "Applicability dates."
chapter_name: "INTERNAL REVENUE SERVICE, DEPARTMENT OF THE TREASURY"
subchapter_number: "A"
subchapter_name: "INCOME TAX"
part_number: "1"
part_name: "INCOME TAXES"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "26 U.S.C. 7805, unless otherwise noted."
regulatory_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."
cfr_part: "1"
---


# 1.336-5 Applicability dates.

Except as otherwise provided in this section, the provisions of §§ 1.336-1 through 1.336-4 apply to any qualified stock disposition for which the disposition date is on or after May 15, 2013. The provisions of § 1.336-1(b)(5)(i)(A) relating to section 1022 apply on and after January 19, 2017. The provisions of § 1.336-2(g)(3)(ii) and (iii) apply to foreign income taxes paid or accrued in taxable years beginning on or after December 28, 2021.

[T.D. 9959, 87 FR 324, Jan. 4, 2022]