(a)      If the regulations adopted under this article require a greater width or size of yards, courts, or other open spaces, a lower height of building or a reduced number of stories, or a greater percentage of lot left unoccupied, or impose other higher standards than are required under another statute or local ordinance or regulation, the regulations adopted under this article govern.

      (b)      If another statute or local ordinance or regulation requires a greater width or size of yards, courts, or other open spaces, a lower height of building or a reduced number of stories, or a greater percentage of lot left unoccupied, or imposes other higher standards than are required by the regulations adopted under this article, the statute or local ordinance or regulation governs.