9 CFR § 2.53 - Use of tags.

---
identifier: "/us/cfr/t9/s2.53"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "9 CFR § 2.53 - Use of tags."
title_number: 9
title_name: "Animals and Animal Products"
section_number: "2.53"
section_name: "Use of tags."
chapter_name: "ANIMAL AND PLANT HEALTH INSPECTION SERVICE, DEPARTMENT OF AGRICULTURE"
subchapter_number: "A"
subchapter_name: "ANIMAL WELFARE"
part_number: "2"
part_name: "REGULATIONS"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "7 U.S.C. 2131-2159; 7 CFR 2.22, 2.80, and 371.7."
regulatory_source: "54 FR 36147, Aug. 31, 1989, unless otherwise noted."
cfr_part: "2"
---


# 2.53 Use of tags.

Official tags obtained by a dealer, exhibitor, or research facility, shall be applied to dogs or cats in the manner set forth in § 2.50 and in as close to consecutive numerical order as possible. No tag number shall be used to identify more than one animal. No number shall be repeated within a 5-year period.