11 CSR 45-20.420
Tier One and Tier Two Wagering
PURPOSE: This rule establishes requirements for tier one and tier
two wagering.
(1) Retail and Mobile licensees may use any data source for
determining the results of any and all tier one sports wagers on
any and all sporting events and the results of any and all tier
two sports wagers on sporting events of an organization that
is not headquartered in the United States.
(2) If a sports governing body, headquartered in the United
States, does not notify the commission of its desire to supply
official league data, Retail and Mobile licensees may use any
GAMING COMMISSION
data source for determining the results of any and all tier two
sports wagers on sporting events of such sports governing
body.
(3) There shall be no tier two wagers on the injury of an athlete
or competitor.
AUTHORITY: section 39(g) of Article III, Mo. Const., section 313.004,
RSMo 2016, and sections 313.800–313.850, RSMo 2016 and Supp.
2025.* Original rule filed May 14, 2025, effective Nov. 30, 2025.
*Original authority: 313.004, RSMo 1993, amended 1994, 2014, and 313.800-313.850,
see Revised Statutes of Missouri, 2016 and Supp. 2025.