On March 3, 2020, the United States Department of Justice Bureau of Alcohol, Tobacco, Firearms, and Explosives (ATF) determined that the Michigan Concealed Pistol License (CPL) no longer qualifies as a National Instant Criminal Background Check (NICS) alternative permit for possessing and transporting firearms.
Read more here: https://www.michigan.gov/msp/0,4643,7-123-1878_1591_3503_4654—,00.html