Wis. Admin. Code § ATCP 10.21
(1) Official individual identification.
(a) A veterinarian who does any of the following to any bovine animal shall insert, in the ear of the animal, an official ear tag unless the animal is already identified with an official ear tag and shall record, on the applicable document under subd. 1. or 2., the number of the official individual identification:
(2) Slaughter identification.
(a) If a slaughtering establishment operator receives any bovine animal for slaughter, that person shall do all of the following unless the animal is a steer:
(b) A record under par. (a) 2. shall include all of the following:
(c) A person who is required to make a record under par. (b) shall retain that record for at least 5 years, and shall make the record available to the department for inspection and copying upon request.
Note: Animal identification requirements for animal truckers, animal markets and animal dealers are specified under ch. ATCP 12.
History: CR 06-009: cr. Register September 2006 No. 609, eff. 10-1-06; CR 13-058: am. (1) (a) (intro.), r. and recr. (1) (b), r. (1) (c), am. (2) (b) 5. Register March 2014 No. 699, eff. 6-1-14; CR 15-092: am. (1) (a) (intro.), (b), (2) (a) (intro.), 1., (b) 1., 5. Register July 2016 No. 727, eff. 10-1-16; CR 18-085: am. (2) (a) (intro.), 1., r. (2) (b) 5. Register May 2020 No. 773, eff. 6-1-20.