The commissioner or his duly appointed representative shall have authority to enter, at any daylight hour, dairy farms, dairy barns, or milk houses for the purpose of inspecting farm operations and to correct or have corrected any part of farm milk tank operations found to be incorrect or improperly operated.
No person shall be employed or contracted with as a farm milk transport operator unless he has taken the required examination for milk grader, milk sampler, milk weigher and has secured his licenses from the commissioner.
Sampling for butterfat must conform to requirements of the Dairy and Creamery Law and to regulations promulgated by the commissioner. Samples must be properly refrigerated from dairy farm to plant.