Here is what i found...
"28.425o. Amended Premises on Which Carrying Concealed Weapon Prohibited; “Premises” Defined; Exceptions to Subsection (1); Violation; Penalties.
1. *Schools or school property but may carry in the while in a vehicle on school property while dropping off or picking up if a parent or legal guardian. (Act 719 allows carry in parking lots. See below)
2. Public or private day care center, public or private child caring agency, or public or private child placing agency.
3. Sports arena or stadium
4. A tavern where the primary source of income is the sale of alcoholic liquor by the glass consumed on the
premises
5. Any property or facility owned or operated by a church, synagogue, mosque, temple, or other place of worship, unless the presiding official allows concealed weapons
6. An entertainment facility that the individual knows or should know has a seating capacity of 2,500 or more
7. A hospital
8. A dormitory or classroom of a community college, college, or university
9. A Casino
10. Premises does not include parking areas of the above places 1 thru 9.
Administrative Order 2001-1 of the Michigan Supreme Court:
"Weapons are not permitted in any courtroom, office, or other space used for official court business or by judicial employees unless the chief judge or other person designated by the chief judge has given prior approval consistent with the court’s written policy."
28.519 Implied consent to submit to chemical analysis; certificate holder under influence of alcoholic liquor or controlled substance; violation; penalty; exception; collection and testing of breath, blood, and urine specimens; refusal to take chemical test; report of violation to commission.
(3) This section does not prohibit an individual certified under this act to carry a concealed firearm who has any bodily alcohol content from transporting that firearm in the locked trunk of his or her motor vehicle or another motor vehicle in which he or she is a passenger or, if the vehicle does not have a trunk, from transporting that firearm unloaded in a locked compartment or container that is separated from the ammunition for that firearm or on a vessel if the firearm is transported unloaded in a locked compartment or container that is separated from the ammunition for that firearm."
Assuming you have a MI permit...