When yard regulations cannot reasonably be complied with, as in the case of a planned development in the Multiple-Family District, or where their application cannot be determined on lots existing and of record at the time the 1967 Zoning Ordinance became effective, and on lots of peculiar shape, topography, or due to architectural or site arrangement, such regulations may be modified or determined by the Board of Appeals.
(`73 Code, 15.357, § 5.134)  (Ord. eff. 8-1-67; Am. Ord. passed 1973)