C. What bodies are covered by the law?

"All meetings of a public body" are to be open to the public. Mich. Comp. Laws Ann. § 15.263(l). A "public body" is defined as:

[A]ny state or local legislative or governing body, including a board, commission, committee, subcommittee, authority, or council, which is empowered by state constitution, statute, charter, ordinance, resolution, or rule to exercise governmental or proprietary authority or perform a governmental or proprietary function, or a lessee there of performing an essential public purpose and function pursuant to the lease agreement.

Mich. Comp. Laws Ann. § 15.262(a).