Wis. Admin. Code § ATCP 10.31
(1) Identification required. Except as provided in sub. (3), a slaughtering establishment operator shall do all the following whenever that person receives a sow, boar, or stag for slaughter:
(a) If the animal meets either of the following criteria, identify the swine with an official swine back tag, a premises identification number ear tag or other approved slaughter identification, unless the swine already bears an official individual identification or slaughter identification:
(2) Record.
(a) A record under sub. (1) (b) shall include all the following:
(3) Low-volume slaughter establishments; exemption. The department may, by written notice, exempt a slaughtering establishment from sub. (1) if all the following apply:
(c) The slaughtering establishment slaughters not more than 100 swine per day, and operates no more than 5 days per week.
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 15-092: am. (1) (intro.), (a), (2) (a) 1., 3., (b) Register July 2016 No. 727, eff. 10-1-16; CR 18-085: am. (1) (intro.), renum. (1) (a) to (1) (a) (intro.) and am., cr. (1) (a) 1., 2., am. (1) (b), r. (2) (a) 3. Register May 2020 No. 773, eff. 6-1-20.