Penal Code §47.03

(a) A person commits an offense if he intentionally or knowingly does any of the following acts: (1) operates or participates in the earnings of a gambling place; (2) engages in bookmaking; (3) for gain, becomes a custodian of anything of value bet or offered to be bet; (4) sells chances on the partial or final result of or on the margin of victory in any game or contest or on the performance of any participant in any game or contest or on the result of any political nomination, appointment, or election or on the degree of success of any nominee, appointee, or candidate; or (5) for gain, sets up or promotes any lottery or sells or offers to sell or knowingly possesses for transfer, or transfers any card, stub, ticket, check, or other device designed to serve as evidence of participation in any lottery. (b) An offense under this section is a Class A misdemeanor.