The premises to be used by an export warehouse proprietor as his warehouse shall be described, in the application for permit required by § 44.82, and bond required by § 44.86, by number, street, and city, town, or village, and State. Such premises may consist of more than one building, which need not be contiguous: Provided, That such premises are located in the same city, town, or village and each located is described in the application for permit and the bond by number and street. Where such premises consist of less than an entire building, a diagram, in duplicate, shall also be furnished showing the particular floor or floors, or room or rooms, comprising the warehouse.