; and (2) not later than 6 years after the date of enactment of this Act, implement the proposal described in subsection (a). 5. Other security agreements for leased space A lease agreement between a Federal lessee and a covered entity for the accommodation of a Federal agency in a building or other improvement that will be used for high-security space shall include language that provides that— (1) the covered entity and any member of the property management company who may be responsible for oversight or maintenance of the high-security space shall not— (A) maintain access to the high-security space; or (B) have access to the high-security space without prior approval from the Federal tenant; (2) access to the high-security space or any property or information located within that space will only be granted by the Federal tenant if the Federal tenant determines that the access is clearly consistent with the mission and responsibilities of the Federal tenant; and (3) the Federal lessee shall have written procedures in place, signed by the Federal lessee and the covered entity, governing access to the high-security space in case of emergencies that may damage the leased property.