; and (B) in developing the master contract or contracts, standardize the treatment of the placement of communications facility installation on building rooftops or facades, the placement of communications facility installation on rooftops or inside buildings, the technology used in connection with communications facility installation placed on Federal buildings and other property, and any other key issues the Administrator of General Services considers appropriate. (2) Applicability The master contract or contracts developed by the Administrator of General Services under paragraph (1) shall apply to all publicly accessible buildings and other property owned by the Federal Government, unless the Administrator of General Services decides that issues with respect to the siting of a communications facility installation on a specific building or other property warrant nonstandard treatment of such building or other property. (3) Application (A) In general The Administrator of General Services shall develop a common form or set of forms for communications facility installation siting applications that, except as provided in subparagraph (B), shall be used by all executive agencies and applicants with respect to the buildings and other property of each such agency. (B) Exception The requirement under subparagraph (A) for an executive agency to use the common form or set of forms developed by the Administrator of General Services shall not apply to an executive agency if the head of the executive agency notifies the Administrator that the executive agency uses a substantially similar application. (d) Definitions In this section: (1) Communications facility installation The term communications facility installation includes— (A) any infrastructure, including any transmitting device, tower, or support structure, and any equipment, switches, wiring, cabling, power sources, shelters, or cabinets, associated with the licensed or permitted unlicensed wireless or wireline transmission of writings, signs, signals, data, images,