No multifamily dwelling designed for occupancy by three or more families shall be erected in any district except in the Residence R-3 and Business District. The provisions of this chapter of the Village of Elmsford governing permitted uses in Residence R-O, Residence R-1, Residence R-2, Business and Light Industrial Districts are hereby amended accordingly so as to prohibit the erection of a multifamily dwelling in any of said districts, except in the Residence R-3 and Business Districts.