21 USC § 210
Pharmacist; unauthorized use of title
through Pub. L. 116-282, except Pub. L. 116-260
It shall be unlawful for any person whose permanent allegiance is due to the United States, not legally licensed as a pharmacist, to take, use, or exhibit the title of pharmacist, or licensed or registered pharmacist, or the title of druggist or apothecary, or any other title or description of like import.