It shall be unlawful for any person to engage in a towing service in Baltimore City without a valid towing license issued by the Director of Consumer Protection and Business Licensing. The license is renewable annually. The provisions of this section shall not apply to:persons towing their own motor vehicles; a motor vehicle towed with permission of the owner or operator of the motor vehicle; a towing service that tows without any charge, fees, or dues connected therewith; a towing service that tows a motor vehicle into or through Baltimore City, from a point outside the City; the transportation of motor vehicles for sale to and from licensed automobile dealers; or a towing service owned and operated by the government of the United States, State of Maryland, Baltimore City, or any other governmental entity. City Code, 1976/83, art. 15, §133 Ord. 89-273 Ord. 94-408