This chapter shall not prohibit the continuance of the existing use of any tract of land or improvement for the purpose for which such tract of land or improvement is used on the effective date. This chapter shall not prohibit the alteration or replacement of any improvement for the purpose for which such improvement is used on the effective date, except that the use shall not be expanded or enlarged unless it shall conform to this chapter.
(Ord. 07-04, passed 9-18-2007)