I imagine that it's because no Casino allows them, but I've often wondered that too. My buddy with his CPL said 'yeah, casino's are on the list', and I insisted they weren't, and after we both looked at the back of our CPL's, sure enough, they weren't listed, but neither of us could figure out why we both 'knew' that we couldn't carry there.
┬* Weapons in casino.
┬* Rule 212.┬* (1)┬* An individual may not carry a firearm or other weapon in┬* a
casino, except for the following entities:
┬* (a) State, county, city, township, or village law enforcement officers,┬* as
defined in section 2(e) of Act No.┬* 203┬* of┬* the┬* Public┬* Acts┬* of┬* 1965,┬* as
amended, being ┬ž 28.601 et seq. of the Michigan Compiled Laws.
┬* (b) Federal law enforcement officers, as defined in 5 U.S.C. ┬ž 8331.
┬* (c) Armored car personnel picking up┬* or┬* delivering┬* currency┬* at┬* secured
┬* (2) Law enforcement officers conducting official┬* duties┬* within┬* a┬* casino
shall, to the extent practicable, advise the┬* Michigan┬* state┬* police┬* gaming
section of their presence.
┬* (3) Private casino security personnel may carry handcuffs while on duty┬* in
┬* History:┬* 1998-2000 AACS.
Section 5o (28.425o), Subsection (2):
(2) An individual licensed under this act to carry a concealed pistol, or who is exempt from licensure under section 12a(1)(f), shall not carry a concealed pistol in violation of R 432.1212
or a successor rule of the Michigan administrative code promulgated under the Michigan gaming control and revenue act, 1996 IL 1, MCL 432.201 to 432.226.
(3) As used in subsection (1), "premises" does not include parking areas of the places identified under subsection (1).┬*