In addition, specific sign controls in base zoning districts listed in Chapter 14-400 and overlay districts listed in Chapter 14-500 and sign controls applicable to specific uses pursuant to § 14-603 apply. In the case of any inconsistency among the sign controls in different sections of this Zoning Code, the following rules of precedence shall apply: Any provision in Chapter 14-500 (Overlay Zoning District) shall control over any contrary provision; in all other cases, any provision relating exclusively to a Special Purpose ("SP") district shall control; in all other cases, the strictest provision shall control.