If meat is advertised, sold or offered for sale at retail and the carcass or part thereof from which such meat is derived has been marked with a United States Department of Agriculture grade other than "prime" or "choice," the grading term or recognized abbreviation thereof of such meat shall appear contiguous to the true name of such meat and be at least as equal in size to and as prominent as the true name, for example:
BEEF ROUND U.S. COMM'L.
N.Y. Comp. Codes R. & Regs. Tit. 1 §§ 272-1.10