7 CFR § 58.443
Whey handling
July 6, 2020
(a) Adequate sanitary facilities shall be provided for the handling of whey. If outside, necessary precautions shall be taken to minimize flies, insects and development of objectionable odors.
(b) Whey or whey products intended for human food shall at all times be handled in a sanitary manner in accordance with the procedures of this subpart as specified for handling milk and dairy products.
(c) Milkfat from whey should not be more than four days old when shipped.