Mo. Rev. Stat. § 303.178: Display of false evidence of insurance, penalty, confiscation of false evidence, misdemeanor.

No person shall display evidence of insurance to a law enforcement officer knowing there is no valid liability insurance in effect on the motor vehicle as required pursuant to this chapter, or knowing the evidence of insurance is illegally altered, counterfeit or otherwise invalid as evidence of insurance. If the law enforcement officer issues a citation to a motor vehicle operator for displaying invalid evidence of insurance, the officer shall confiscate the evidence for presentation in court. Any person convicted of violating this section is guilty of a class A misdemeanor.