Idaho Code § 23-309
No state liquor store or special distributor shall sell any alcoholic liquor or any other merchandise on behalf of the division except for cash, check, money order, credit card, electronic funds transfer or debit card. In addition, the division shall, under such rules as may be adopted by it, authorize state liquor stores or special distributors to accept a check, credit cards, electronic funds transfer or debit card from persons licensed for the retail sale of liquor by the drink pursuant to chapter 9, title 23, Idaho Code, as payment for purchases from the division. Dishonor of any credit device given by such person shall constitute grounds for suspension or revocation of such person's license pursuant to section 23-933, Idaho Code, in addition to any other remedy provided by law.
Idaho Code § 23-309