- a) All livestock, except purebred or crossbred animals registered with an approved registry association, tested for brucellosis and/or tuberculosis in the State of Illinois, shall be identified by an official ear tag as defined at 9 CFR 78.1 (2017).
- b) Purebred or crossbred animals registered with an approved registry association may be identified for test or vaccination by registration number, microchip, or record association approved individual tattoo.
(Source: Amended at 43 Ill. Reg. 4816, effective April 15, 2019)