The following shall be exempt from the prohibitions set forth in this article:
(1) Activities of the city, the State, or the United States; and
(2) Activities of private persons or entities acting within the permitted uses of a permit issued by the city, the State, or the United States.
(1990 Code, Ch. 41, Art. 31, § 41-31.5) (Added by Ord. 90-26)