Notwithstanding any other provision of this division, any sign that may display a type of noncommercial message may display in place of that message any other type of noncommercial message, so long as the sign complies with other requirements of this article and other ordinances that do not pertain to the content of the message displayed. Section 51A-7.209 of the Dallas Development Code, as amended, applies to this district. (Ord. Nos. 21404; 24606; 24925)