Md. Code, Criminal Law § 13–2436

(a) Unless licensed to operate a tip jar by the agency, a person may not offer to another a chance from a tip jar or otherwise operate a tip jar.

(b) A holder of a tip jar license may not:

(1) allow a minor to play a tip jar; or

(2) operate a tip jar on property owned by the Board of Education of Washington County.

(c) Unless licensed as a wholesaler to sell tip jar packets by the agency, a person may not sell or wholesale a tip jar packet for profit.