Mich. Comp. Laws § 28.427
Concealed weapons licenses; expiration.
Sec. 7.
All licenses heretofore issued in this state permitting a person to carry a pistol concealed upon his person shall expire at midnight, December 31, 1927.
History: 1927, Act 372, Eff. Sept. 5, 1927; CL 1929, 16756; CL 1948, 28.427