eCFR Reference Browser

---

title: "9 CFR §2.51"

source: "https://www.ecfr.gov/current/title-9/section-2.51"

title_number: "9"

volume_number: "1"

chapter_number: "Unknown"

subchapter_code: "A"

subchapter_subject: "ANIMAL WELFARE"

part_code: "2"

part_subject: "REGULATIONS"

subpart_code: "E"

subpart_subject: "Identification of Animals"

section_number: "2.51"

section_subject: "Form of official tag."

cfr_reference: "9 CFR 2.51"

title_name: "Title 9"

title_subject: "Animals and Animal Products"

parts_covered: "Parts 1 to 199"

revised_date: "Revised as of January 1, 2019"

publication_date: "As of January 1, 2019"

contains_description: "Containing a codification of documents of general applicability and future effect"

publication_info: "Published by the Office of the Federal Register National Archives and Records Administration as a Special Edition of the Federal Register"

---

(a)The official tag shall be made of a durable alloy such as brass, bronze, or steel, or of a durable plastic. Aluminum of a sufficient thickness to assure the tag is durable and legible may also be used. The tag shall be one of the following shapes:

(1)Circular in shape and not less than 11/4 inches in diameter, or

(2)Oblong and flat in shape, not less than 2 inches by 3/4 inch and riveted to an acceptable collar.

(b)Each tag shall have the following information embossed or stamped on so that it is easily readable:

(1)The letters “USDA”;

(2)Numbers identifying the State and dealer, exhibitor, or research facility (e.g., 39-AB); and

(3)Numbers identifying the animal (e.g., 82488).

(c)Official tags shall be serially numbered. No individual dealer or exhibitor shall use any identification tag number more than once within a 5-year period.

§2.51 - Form of official tag.