Mo. Rev. Stat. § 306.127
1. Beginning January 1, 2005, every person born after January 1, 1984, or as required pursuant to section 306.128, who operates a vessel on the lakes of this state shall possess, on the vessel, a boating safety identification card issued by the water patrol division or its agent which shows that he or she has:
4. The provisions of this section shall not apply to any person who:
6. No individual shall be detained or stopped strictly for the purpose of checking whether the individual possesses a boating safety identification card or a temporary boater education permit.
*7. Any person or company that rents or sells vessels may issue a temporary boating safety identification card to an individual to operate a rented vessel or a vessel being considered for sale, for a period of up to seven days, provided that the individual meets the minimum age requirements for operating a vessel in this state. In order to qualify for the temporary boating safety identification card, the applicant shall provide a valid driver's license and shall sign an affidavit that he or she has reviewed the Missouri state highway patrol handbook of Missouri boating laws and responsibilities. Any individual holding a valid temporary boating safety identification card shall be deemed in compliance with the requirements of this section. The Missouri state highway patrol shall charge a fee of nine dollars for such temporary boating safety identification card. Individuals shall not be eligible for more than one temporary boating safety identification card. No person or company may issue a temporary boating safety identification card to an individual under the provisions of this subsection unless such person or company is capable of submitting the applicant's temporary boating safety identification card information and payment in an electronic format as prescribed by the Missouri state highway patrol. The business entity issuing a temporary boating safety identification card to an individual under the provisions of this subsection shall transmit the applicant's temporary boating safety identification card information electronically to the Missouri state highway patrol, in a manner and format prescribed by the superintendent, using an electronic online registration process developed and provided by the Missouri state highway patrol. The electronic online process developed and provided by the Missouri state highway patrol shall allow the applicant to pay the temporary boating safety identification card fee by credit card or debit card. Notwithstanding any provision in section 306.185 to the contrary, all fees collected under the authority of this subsection shall be deposited in the water patrol division fund. The Missouri state highway patrol shall promulgate rules for developing the temporary boating safety identification card and any requirements necessary to the issuance, processing, and payment of the temporary boating safety identification card. The Missouri state highway patrol shall, by rule, develop a boating safety checklist for each applicant seeking a temporary boating safety identification card. Nothing in this subsection shall allow a holder of a temporary boating safety identification card to receive a notation on the person's driver's license or nondriver identification under section 302.184. The provisions of this subsection shall expire on December 31, 2032.
(L. 2003 S.B. 1, A.L. 2004 S.B. 1259, A.L. 2012 H.B. 1402 merged with S.B. 568 merged with S.B. 719, A.L. 2014 S.B. 785, A.L. 2020 H.B. 1963)
*Subsection 7 expires 12-31-32