9 CFR § 201.73
Scale operators to be qualified
November 6, 2020
Stockyard owners, market agencies, dealers, packers, and live poultry dealers shall employ qualified persons to operate scales for weighing livestock, livestock carcasses, live poultry, or feed for the purposes of purchase, sale, acquisition, payment, or settlement of livestock, livestock carcasses, or live poultry, and they shall require such employees to operate the scales in accordance with the regulations in this part.
[65 FR 17763, Apr. 5, 2000]