Mo. Rev. Stat. § 21.187

21.187. Freshman tour, attendance of members at legislative conference for new members — expenses, how paid. — In addition to the reimbursement of expenses allowed by section 21.183 , all members of the general assembly may be reimbursed for necessary and actual expenses incurred in attending any legislative conference held for the benefit and instruction of newly elected members of the general assembly which may be sponsored by the university of Missouri or by the general assembly or any agency thereof, or under the joint sponsorship of the university and the general assembly or an agency thereof. The expenses of senators and representatives, as provided herein, shall be paid out of the contingent funds of the senate and house, respectively.

(L. 1957 p. 612 § 2)