(a) Every livestock carcass, part of it, or meat food product inspected at an official establishment and found to be not adulterated shall be labeled to comply with the requirements of § 4-101(p) of this subtitle and the departmental rules and regulations in distinctly legible form directly on the article or its container when it leaves the establishment.

(b) The Secretary may prescribe: (1) the styles and sizes of type to be used in marking and labeling any article subject to this subtitle; and (2) the definitions and standards of identity or composition and fill of container for any article subject to this subtitle.