# Treas. Reg. § 1.1031(e)-1: Exchange of livestock of different sexes.

Source: eCFR as of 2026-10-19 <https://www.ecfr.gov/current/title-26/section-1.1031(e)-1>. Interprets 26 U.S.C. § 1031.

Section 1031(e) provides that livestock of different sexes are not property of like kind. Section 1031(e) and this section are applicable to taxable years to which the Internal Revenue Code of 1954 applies. 

[T.D. 7141, 36 FR 18792, Sept. 22, 1971]