On any lot which contains a use which does not comply with the off-street parking and loading regulations contained in §§ 153.185 through 153.188 of this chapter, a certificate of occupancy shall not be issued for an external expansion of any principal building or accessory structure on the lot which would result in a need to increase the number of off-street parking and/or loading spaces required until all off-street parking and loading requirements and all other applicable requirements of this chapter have first been met. A change in the principal use can occur, however, provided that no external expansion in the principal building occurs and also that the required number of off-street parking and loading spaces is the same or less than the former use.
(Prior UDO, § 8.7)  Penalty, see § 153.999