Wis. Stat. § 186.114: Savings promotion prize programs.

(1) In this section:

(a) “Member” means any person holding an account authorized under s. 186.113.

(b) “Nonqualifying account” means a deposit account that is not a qualifying account.

(c) “Qualifying account” means a deposit account through which a credit union’s members may obtain chances to win prizes in a savings promotion.

(d) “Savings promotion” means a contest or promotion to encourage savings deposits that is sponsored by one or more credit unions, or by a credit union trade association or its subsidiary in conjunction with one or more credit unions, and in which credit union members are offered a chance to win designated prizes.

(2) A credit union may sponsor, or participate in, a savings promotion if all of the following requirements are satisfied:

(a) Credit union members are not required to pay any fee or otherwise provide any consideration in order to enter the savings promotion.

(b) All fees charged by a credit union in connection with a qualifying account are comparable with all fees charged in connection with comparable nonqualifying accounts offered by the credit union.

(c) Each entry in the savings promotion has an equal chance of winning.

(d) Participants in the savings promotion are not required to be present at a prize drawing in order to win.

(3) For purposes of sub. (2) (a), a member’s deposit of at least a specified amount of money for at least a specified time in a qualifying account, which is required in order to enter the savings promotion, is not consideration if the interest rate associated with the qualifying account is not reduced, as compared to comparable nonqualifying accounts offered by the credit union, to account for the possibility of winning a prize.