A. No building or other structure shall hereafter be erected, altered, or enlarged, and no use of land shall hereafter be established or enlarged for any use except a use that is named in the list of permitted uses for the zoning district in which the building, structure or land is, or will be, located. When a use is not specifically listed in the sections, it shall be assumed that such uses are hereby expressly prohibited unless by a written decision of the Plan Commission it is determined that said use is similar to, and not more objectionable than, uses listed. There shall be the following exceptions to the foregoing requirement:
1. Uses lawfully established on the effective date hereof may be continued subject to the conditions and restrictions contained in this Code.
2. Special uses may be allowed, but only in accordance with the provisions of section 10-15-6 of this title.
B. The uses permitted in each zoning district are set out in each zoning district of this title. (1979 Code § 5-3-1)