No building, structure, land or portion thereof shall hereafter be used and no building, structure or portion thereof shall hereafter be constructed, erected, reconstructed, altered, repaired or moved unless for a use expressly permitted by and in conformity with the regulations herein specified for the district in which it is located, except as hereinafter provided.
(2000 Code, App. B, § 32) Penalty, see § 155.999