Versions of Michigan Laws 257.312k - Commercial driver licenses; medical certifications; hazardous material endorsements; pandemic expiration extension on LawServer 2024 Michigan Laws 257.312k – Commercial driver licenses; medical certifications; hazardous material endorsements; pandemic expiration extension 2023 Michigan Laws 257.312k – Commercial driver licenses; medical certifications; hazardous material endorsements; pandemic expiration extension 2022 Michigan Laws 257.312k – Commercial driver licenses; medical certifications; hazardous material endorsements; pandemic expiration extension 2020 Michigan Laws 257.312k – Commercial driver licenses; medical certifications; hazardous material endorsements; pandemic extension
