Unless otherwise provided in the regulations of the Ordinance, the following provisions shall apply to all Business Districts.

   1.   All business, service, storage, merchandise, display and, where permitted, repair and processing, shall be conducted wholly within an enclosed building, except for off-street automobile parking, off-street loading and open sales lots in districts where they are permitted.

   2.   Goods sold shall consist primarily of new merchandise and any goods produced on the premises shall be sold at retail on the premises unless otherwise permitted herein for specified uses.