3-621. Butterfat content; disagreement; procedure

Upon application by a producer and a distributor or a manufacturer, the associate director shall, at the expense of the applicants, appoint an official tester to test the butterfat content of the producer's product. When there is a disagreement or variance in the reading of a Babcock test the original sample shall be submitted to a qualified technician and a determination made by an approved ether extraction method, the result of which shall be binding upon the parties.