(1) All agreements between the promoter and persons authorizing the promoter to use their name, trade name, or trademark in aid of the sale or promotion of the sale of coupons shall be in writing, with a copy being furnished to each such person.
(2) Such agreements shall conspicuously disclose that persons agreeing to the use of their name, trade name, or trademark by the promoter may be held jointly accountable with the promoter for any violation of this part or other applicable laws.