(1) Shell eggs, except as otherwise provided in sub-chapter 3 and those graded from commercial cold storage, may not be below 40°F. or above 70°F. at the time of official grading. Eggs held in a plant must be placed under refrigeration at 50°F. or below promptly after packaging.
(2) Every reasonable precaution must be exercised to prevent sweating of eggs.
(3) Shell eggs must be packaged only in new or good,
clean used cases and packing materials. Cases and packing materials must be visibly clean, free of mold, mustiness and off-odors and must be of sufficient strength and durability to adequately protect eggs during normal distribution.