25 CFR 502.4: Class III gaming.

Class III gaming means all forms of gaming that are not class I gaming or class II gaming, including but not limited to:

(a) Any house banking game, including but not limited to—

(1) Card games such as baccarat, chemin de fer, blackjack (21), and pai gow (if played as house banking games);

(2) Casino games such as roulette, craps, and keno;

(b) Any slot machines as defined in 15 U.S.C. 1171(a)(1) and electronic or electromechanical facsimiles of any game of chance;

(c) Any sports betting and parimutuel wagering including but not limited to wagering on horse racing, dog racing or jai alai; or

(d) Lotteries.