N.D. Cent. Code § 4.1-25-27: Sampling of milk

Every purchaser of milk from a dairy producer shall collect a minimum sample of two ounces [59.15 milliliters] from each bulk tank of milk received from a producer. Samples must be collected and maintained in accordance with those procedures contained in the Standard Methods. Records must be kept, which readily identify the sample, with those items used to determine payment for the milk. Those items must include weight, butterfat content, protein, solids-not-fat, and the total amount of money paid for the milk.