Mo. Rev. Stat. § 302.725
Any person who drives a commercial motor vehicle without the proper class of license or applicable endorsements valid for the type of vehicle being operated, or a commercial driver's instruction permit, or a receipt which indicates the driver is qualified to drive a commercial motor vehicle, or while driving privileges are suspended, revoked, or canceled, or while disqualified from operating a commercial motor vehicle, or who violates license restrictions in any state shall be guilty of a class A misdemeanor. No court shall suspend the imposition of sentence as to such person nor sentence such person to a fine in lieu of a term of imprisonment, nor shall such person be eligible for parole or probation until he has served a minimum of forty-eight consecutive hours of imprisonment, unless as a condition of such parole or probation, such person performs at least ten days involving at least forty hours of community service under the supervision of the court in those jurisdictions which have a recognized program for community service. Upon receipt of such conviction the director shall revoke such person's privilege to drive a commercial motor vehicle for a period of two years.
L. 1989 1st Ex. Sess. H.B. 3, A.L. 1995 H.B. 717)
*This section was amended by S.B. 1233, et al., 2004, effective 9-30-05.