[Ord. 2-1976, 2/3/1976, § 1704]
After the date of adoption of the Zoning Map and of this chapter, with any changes or amendments thereto, no building or premises or any part thereof shall be used or maintained for any purpose other than a use permitted by this chapter, with any changes or amendments thereto, and no building shall be erected, enlarged, or maintained except in conformity with the regulations prescribed by this article, with any changes or amendments thereto, for the district in which the building is located. Existing nonconforming uses and nonconforming buildings are exempt from these provisions to the extent provided in § 27-2101 of this chapter.