(1) It shall be a violation of Title 16, MCA, for any retailer or wholesaler to advertise or sell cigarettes at less than minimum price set by the department using methods known as rebates, gifts, or concessions.

(2) It shall also be a violation of Title 16, MCA, for a retailer to attempt to obtain any rebate, gift, or concession in conjunction with cigarette purchases that will lower the cost.