R.I. Gen. Laws § 11-50-4: Manipulation of games.

Every person, firm, or corporation who manipulates or rigs any promotion or advertising scheme or plan of the type set forth in § 11-50-1 so that gifts, prizes, or gratuities are dispersed to predetermined individuals or retail establishments shall be guilty of a misdemeanor, provided, that this section shall not prevent distribution of gifts, prizes, or gratuities of equal value to retail establishments in a uniform ratio to the number of participating objects distributed to those establishments.