Is There A Grace Period For Expired Dot Medical Card. The grace period will remain in place until further notice or termination of the state of emergency. Please mail or fax a legible copy of your mec to the montana motor vehicle division.
Fmcsa also issued an enforcement notice on expiring cdls. Dot medical cards are valid for two years, in most cases, but you may need to renew more often if you have certain medical conditions. For drivers whose medical certification expired on or after june 1, the requirement is waived until dec.