Mich. Comp. Laws § 2.171

Sec. 1. (1) Any illustration, image, or depiction of the state of Michigan on a publication or item produced by a department or agency of this state shall include both the Upper Peninsula and the Lower Peninsula of this state. (2) Subsection (1) applies to all publications or items produced by this state on or after the effective date of this act for distribution to any member of the public, including, but not limited to, maps, forms, brochures, pamphlets, and commemorative items, and also applies to digital images made available over the internet by any state department or agency. Subsection (1) does not apply to a publication or item produced before the effective date of this act.