The granting of a license or permit to any person operating, conducting, or carrying on any trade, profession, business, or privilege which contains within itself, or is composed of, trades, professions, businesses, or privileges which are required by this code to be licensed, shall not relieve the person to whom the license or permit is granted from the necessity of securing individual licenses or permits for each trade, profession, business, or privilege.
(1984 Code, § 6.2)