Michigan Compiled Laws, Chapter 287. Animal Industry § 287.711b

Sec. 11b. (1) All cattle must bear official identification before they leave a premises, unless the first point of destination is a tagging agreement site approved by the director.As used in this subsection, “official identification” means an electronic radio frequency identification or other forms of official identification for cattle as approved by the director.

(2) Subject to subsection (3), all goats, sheep, and privately owned cervids shall bear official identification before they leave a premises.

(3) Sheep and swine presented for exhibition or exposition or at fairs within this state shall be individually identified with an official identification tag. For purposes of this subsection, a tattoo is not an official identification tag.

(4) Compliance with this section regarding official identification is the responsibility of the animal owner.

(5) A person shall not do either of the following:

(6) Official identification may be supplied by the department.