The combined effect of Sections 197 to 206 of the Canadian Criminal Code bans for-profit gaming or betting, with exceptions made for provincial lotteries, licensed casinos, and charity events.
Many stores, radio stations, and other groups still wish to hold contests to encourage more purchases or increase consumer interest.
To make the chance-based contests legal, such games generally consist of a mathematical skill-testing question (STQ).
[5] The individual failed to answer the same STQ correctly on the prize claim form twice due to a learning disability.
The Criminal Code also prohibits receiving consideration in exchange for playing the games, resulting in the free entry alternative which is usually indicated by "No purchase necessary" in the fine print of a contest.