Mo. Rev. Stat. § 313.665: Pari-mutuel wagering or prizes given by charities not deemed gambling, when — not grounds for denial of liquor or beer licenses.

1. Notwithstanding any other provision of law to the contrary, pari-mutuel wagering on horses at licensed tracks shall not be considered to be "gambling" as that term is used in any law or regulation.

2. Pari-mutuel wagering conducted in accordance with the provisions of sections 313.500 to 313.710 shall not constitute a valid reason to refuse to issue or renew or to revoke or suspend any license or permit issued under the provisions of chapter 311.

3. The giving of door prizes or other gifts by lot or chance after payment of a price by members or guests of a charitable organization which has obtained an exemption from payment of federal income taxes as provided in section 501(c)(3) of the Internal Revenue Code of 1954, as amended, shall not constitute a valid reason to refuse to issue or renew or to revoke or suspend any license or permit issued under the provisions of chapter 311.