(a) Brucellosis requirements. All cattle must meet the requirements contained in §35.4 of this title (relating to Entry, Movement, and Change of Ownership). Cattle which are parturient, postparturient or 18 months of age and over (as evidenced by the loss of the first pair of temporary incisor teeth), except steers and spayed heifers being shipped to a feedyard prior to slaughter, shall be officially individually identified with a permanent identification device prior to leaving the state of origin.(b) Tuberculosis requirements.(1) All beef cattle, bison and sexually neutered dairy cattle originating from a federally recognized accredited tuberculosis free state, or zone, as provided by