Idaho Code § 37-507

Every person, corporation, cooperative or company that determines the value of any milk or cream received or bought by such person, corporation, cooperative or company on a milk volume, component or somatic cell count basis shall, when paying for such milk or cream, include in every statement or check issued to any patron in payment therefor a statement of the number of pounds of milk, milk components and the average somatic cell counts, if applicable, for which payment is made. Records for such transactions shall be retained by the purchaser of the milk or cream for at least one (1) year from the date the tests were conducted.