A person violating these regulations is guilty of a misdemeanor, and on conviction is subject to a fine of not more than $500 or imprisonment not exceeding 90 days, pursuant to the Transportation Article, §5-1105, Annotated Code of Maryland. A person violating the airport obstruction regulations of any political subdivision is subject to such fine or imprisonment, or both, as provided for by the political subdivision. If a penalty is not specified, then the penalties of §A of this regulation shall apply.