No person purchasing milk or cream on the basis of its butterfat content shall use any weight, measure, or butterfat test thereof other than the correct weight, measure, or butterfat test; nor shall such person have in his possession any inaccurate, defective, or untrue weighing or measuring device. Also such a person shall not make any misrepresentation as to any weight, measure, or test.
La. R.S. § 3:4012