Section 42-512 - In M2 or M3 Districts
M2 M3
In the districts indicated, all such activities within 300 feet of a Residence District boundary shall be located within completely enclosed buildings , provided, however, that commercial uses may be located within buildings which are completely enclosed except for store fronts or store windows which may be opened to serve customers outside the building . All such activities beyond 300 feet of a Residence District boundary may be conducted outside a completely enclosed building , and any enclosure requirements set forth in Sections 42-11 through 42-20 need not apply.