(a) An existing building or premises devoted to a use not permitted by this chapter shall not be enlarged, extended, reconstructed, substituted or structurally altered, except as required by law, or as permitted in § 50-147.
(b) Except as otherwise provided in this article, any nonconforming use, lot or structure lawfully existing on the effective date of this chapter or subsequent amendment thereto may be continued, regardless of any change in tenancy, ownership or management, so long as it remains lawful.
(Ord. 2046, passed 4-11-1968; Ord. 3633, passed 2-14-2005)