After the effective date of this chapter, no
building or premises or any part thereof in the village or in any
territory hereafter annexed shall be used or maintained for any purpose
other than the uses permitted therefor by this chapter; no building
or part of a building in the village shall be erected, enlarged, altered
or maintained except in conformity with the provisions of this chapter,
nor shall any building or part of a building in the village be used
or maintained if erected, enlarged or altered other than in conformity
with the provisions of this chapter.