70 Pa. Code § 23.108
In the wholesale sale and delivery of random weight packaged meat and meat products, lots composed entirely of like units as to formula, process in manufacture, quality and grade of ingredients, except as to weight, each unit may not be required to have the net weight marked thereon at the time of the wholesale sale and delivery to a retail merchant only if there is compliance with the following provisions:
The provisions of this § 23.108 adopted October 21, 1970, effective October 22, 1970, 1 Pa.B. 44.