; and (4) by adding at the end the following: (9) with respect to any prospectus, including for replacement space, lease renewal, or lease extension, the Administrator shall include a justification for such space, including an explanation of why such space could not be consolidated or colocated into other owned or leased space. . 5. Eliminating project escalations Section 3307(c) of title 40, United States Code, is amended by adding at the end the following: The Administrator shall notify, in writing, the Committee on Transportation and Infrastructure of the House of Representatives and the Committee on Environment and Public Works of the Senate of any increase of more than 5 percent of an estimated maximum cost or of any increase or decrease in the scope or size of a project of 5 or more percent. Such notification shall include an explanation regarding any such increase or decrease. The scope or size of a project shall not increase or decrease by more than 10 percent unless an amended prospectus is submitted and approved pursuant to this section. . 6. Limitation on authorizations Section 3307 of title 40, United States Code, is amended by adding at the end the following: (i) Expiration of committee resolutions Unless a lease is awarded or a construction, alteration, repair, design, or acquisition project is initiated not later than 5 years after the resolution approvals adopted by the Committee on Transportation and Infrastructure of the House of Representatives or the Committee on Environment and Public Works of the Senate pursuant to subsection (a), such resolutions shall be deemed expired. This subsection shall only apply to resolutions approved after the date of enactment of this subsection. . 7. Limitation on discounted purchase options Section 585 of title 40, United States Code, is amended by adding at the end the following: (d) Any bargain-price option to purchase at less than fair market value contained in any lease agreement entered into on or after January 1, 2018, pursuant to this section may be