§ 329

A livestock carcass or primal cut of a livestock carcass that is marked with a grade stamp, roller brand or yield stamp may bear another mark only if

(a) the mark is shown no more than once on the livestock carcass or once on each primal cut;

(b) the mark is shown alone or in combination with a date;

(c) the size in height and width of the mark or, if a date is shown, of the mark and date in combination does not exceed 76 mm; and

(d) the mark and any date do not touch the grade stamp, the roller brand or the yield stamp.