CFR›Title 9›Chapter I›Part 2›9 CFR Part 2 Subpart E Citation9 CFR Part 2 Subpart EContainsSections § 2.50–§ 2.55CorpusDaily eCFRDisplayed edition2026-10-22Last updated2026-10-22 Subpart E—Identification of Animals Sections § 2.50 § 2.50 Time and method of identification. § 2.51 § 2.51 Form of official tag. § 2.52 § 2.52 How to obtain tags. § 2.53 § 2.53 Use of tags. § 2.54 § 2.54 Lost tags. § 2.55 § 2.55 Removal and disposal of tags. Authority7 U.S.C. 2131-2159; 7 CFR 2.22, 2.80, and 371.7.Source54 FR 36147, Aug. 31, 1989, unless otherwise noted.