Missouri Revised Statutes Title XXV. Incorporation and Regulation of Certain Utilities and Carriers § 390.106. Certificate or permit may be revoked, altered or amended, when

(1) That the motor carrier has abandoned service;

(2) That the motor carrier does not give reasonable service based upon public demand;

(3) That the motor carrier is not financially fit to continue service; or

(4) That the motor carrier has failed to comply with the provisions of this chapter and the requirements, rules and regulations of the division of motor carrier and railroad safety.

However, such motor carrier shall be given a reasonable time, in the discretion of the division, not less, however, than thirty days, to comply with any orders issued by the division pertaining thereto.