(A) More than one main building may be erected upon a lot in the case of commercial or industrial buildings where such uses are permitted, provided that all yards otherwise required on the lot for a single building are observed.
(B) Where a lot of record at the time of the effective date hereof has less area or width than herein required in the district in which it is located, and the owner of such lot dies not owning any other parcel or tract adjacent thereto, said lot may nonetheless be used for a one-family dwelling or for any non-dwelling use permitted in the district in which it is located.
(Prior Code, § 5-7-5)