Mo. Rev. Stat. § 190.146: Lapse of license, request to return to active status, procedure.

Any licensee allowing a license to lapse may within two years of the lapse request that their license be returned to active status by notifying the department in advance of such intention, and submit a complete application upon such forms as prescribed by the department in rules adopted pursuant to sections 190.001 to 190.245. If the licensee meets all the requirements for relicensure, the department shall issue a new emergency medical technician license to the licensee.