(A) Application generally. Except as hereinafter provided, no building or structure shall be erected, moved, altered, or extended, and no land, building, or structure, or part thereof, shall be occupied or used unless in conformity with regulations specified in this chapter for the district in which it is located.
(Prior Code, Ch. 300 § 401.01)
(B) Application to existing structures. This chapter shall not apply to existing buildings and structures or to the existing use of any building, structure or land to the extent of that use on the effective date of this chapter. However, this chapter shall apply to any change in use, alteration, extension, or movement of a building or structure, and to any change in the use of land subsequent to the effective date of this chapter.
(Prior Code, Ch. 300 § 401.02)
(C) "Use" defined. For the purpose of this chapter, the word USE shall mean:
(1) Any purpose for which a building or other structure or a tract of land may be designed, arranged, intended, maintained, or occupied; or
(2) Any activity, occupation, business, or operation carried on, or intended to be carried on, in a building or other structure, or on a tract of land.
(Prior Code, Ch. 300 § 401.03)