# Treas. Reg. § 1.336-5: Applicability dates.

Source: eCFR as of 2026-10-19 <https://www.ecfr.gov/current/title-26/section-1.336-5>. Interprets 26 U.S.C. § 336.

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]