this is michigan law.. An individual licensed to carry a concealed pistol who is stopped by a police officer (traffic stop or otherwise) while in possession of a pistol shall immediately disclose to the police officer that he or she is carrying a concealed pistol either on their person or in their motor vehicle.
Failure to disclose this information to a police officer carries the following penalties:
First offense = State Civil Infraction - $500 fine and 6-month CPL license suspension.
Second offense = State Civil Infraction - $1000 fine and CPL license revocation.
An individual licensed to carry a concealed pistol shall have the license in his or her possession at all times he or she is carrying a concealed pistol.
Failure to possess CPL license when carrying a concealed pistol is a State Civil Infraction and a $100.00 fine.