Mo. Rev. Stat. ยง 577.612
577.612 Tampering with or circumventing the operation of an interlock device โ penalty.
577.612. Tampering with or circumventing the operation of an interlock device โ penalty. โ 1. A person commits the offense of tampering with or circumventing the operation of an ignition interlock device if:
(1) His or her driving privilege is restricted by a prohibition on the operation of any vehicle unless that vehicle is equipped with a functioning, certified ignition interlock device, and he or she knowingly requests or solicits any other person to blow into an ignition interlock device or to start a vehicle equipped with the device for the purpose of providing the person so restricted with an operable vehicle; or
(2) He or she blows into an ignition interlock device or starts a vehicle equipped with the device for the purpose of providing an operable vehicle to a person whose driving privilege is restricted pursuant to the provisions of this chapter or chapter 302 by a prohibition on the operation of any vehicle unless that vehicle is equipped with a functioning, certified ignition interlock device; or
(3) He or she tampers with, or circumvents the operation of, an ignition interlock device.
2. The offense of tampering with or circumventing the operation of an ignition interlock device is a class A misdemeanor.
(L. 1995 S.B. 102 ยง 7, A.L. 2008 S.B. 930 & 947, A.L. 2014 S.B. 491) Effective 1-01-17