Any lawful use existing at the time of the adoption of this chapter of any building or premises may be continued, even though in conflict with the provisions of this chapter, provided that no nonconforming use shall be substantially enlarged unless a permit is granted therefor by the Board of Adjustment. (In the event that any nonconforming use is hereafter discontinued, any future uses of the premises shall comply with this chapter.)
(Prior Code, § 17.04.020)