It shall be unlawful for any person, by himself or as the officer, servant, agent or employee of any person, receiving, buying or paying for milk, cream or other dairy products on the butterfat basis thereof (a) to underread, overread or otherwise to fraudulently manipulate the Babcock or other test approved by the Commissioner of Agriculture used to determine the per cent of fat in milk, cream or other dairy products, (b) to falsify the record thereof or (c) to pay on the basis of any measurement or weight except the true measurement or weight as determined and authorized by the Commissioner of Agriculture.