Section

[Code of Federal Regulations]
[Title 9, Volume 1]
[Revised as of January 1, 2005]
From the U.S. Government Printing Office via GPO Access
[CITE: 9CFR2.51]

[Page 33]
 
                  TITLE 9--ANIMALS AND ANIMAL PRODUCTS
 
  CHAPTER I--ANIMAL AND PLANT HEALTH INSPECTION SERVICE, DEPARTMENT OF 
                               AGRICULTURE
 
PART 2_REGULATIONS--Table of Contents
 
                   Subpart E_Identification of Animals
 
Sec. 2.51  Form of official tag.

    (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 1\1/4\ 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.