; and (3) leveraging private investment at the military manufacturing arsenal, depot, or plant through long-term facility use contracts, property management contracts, leases, or other agreements that support and advance the preceding purposes. (b) Delegation and review process (1) In general The Secretary of the Army may delegate the authority provided by this section to the commander of the major subordinate command of the Army that has responsibility for the military manufacturing arsenal, depot, or plant or, if part of a larger military installation, the installation as a whole. The commander may approve a lease or contract under such authority on a case-by-case basis or a class basis. (2) Notice of approval Upon any approval of a lease or contract by a commander pursuant to a delegation of authority under paragraph (1), the commander shall notify the Army real property manager and Congress of the approval. (3) Review period Any lease or contract that is approved utilizing the delegation authority under paragraph (1) is subject to a 90-day hold period so that the Army real property manager may review the lease or contract pursuant to paragraph (4). (4) Disposition of review If the Army real property manager disapproves of a contract or lease submitted for review under paragraph (3), the agreement shall be null and void upon transmittal by the real property manager to the delegating authority of a written disapproval, including a justification for such disapproval, within the 90-day hold period. If no such disapproval is transmitted within the 90-day hold period, the agreement shall be deemed approved. (5) Approval of revised agreement If, not later than 60 days after receiving a disapproval under paragraph (4), the delegating authority submits to the Army real property manager a new contract or lease that addresses the concerns of the Army real property manager outlined in such disapproval, the new contract or lease shall be deemed approved unless the Army real property manager transmits to the delegating