Section 015-1-5 - CLASS I MILK SHALL MEAN:A. All fluid milk sold, distributed or disposed of as or in milk which contains not more than 10.5% butterfat and skim milk and cultured buttermilk sold for human consumption.B. All milk products sold, distributed or disposed of for human consumption as or in flavored milk and flavored skim milk.C. All fluid milk in bulk form which contains not more than 11% butterfat, skim and cultured buttermilk which is transferred between plants operated by one company, if the receiving plant is not subject to the jurisdiction of the Commission and not part of the Federal Milk Marketing Order #1, and sells, distributes or disposes of fluid milk for human consumption in amounts equal to or in excess of the amount of milk transferred.01- 015 C.M.R. ch. 1, § 5