(A) In any R district where a dwelling is nonconforming only as to the number of dwelling units it contains, provided no such building shall be altered in any way so as to increase the number of dwelling units therein.
(B) In any R-5 District, where a use permitted in the B-1 District occupies ground floor space within a multiple-family dwelling located on a corner lot.
(C) In any B or M district where the use is less distant from an R district than that specified in the regulations for the district in which it is located.
('71 Code, § 11-16-8) (Ord. 1413, passed 9-13-60)