CFR › Title 7 › Part 56 › §56.777 CFR §56.77Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy link(a)No person known to be affected by a communicable or infectious disease shall be permitted to come in contact with the product.(b)Plant personnel coming into contact with the product shall wear clean clothing.