This bill, formally known as the "Disposing of Inactive Structures and Properties by Offering for Sale And Lease Act" or the DISPOSAL Act, mandates the Administrator of General Services (GSA) to dispose of six specific federal buildings located in Washington, D.C. These properties include the Frances Perkins, James V. Forrestal, Theodore Roosevelt, Robert C. Weaver, Department of Agriculture South, and Hubert H. Humphrey Federal Buildings. The GSA Administrator is authorized to dispose of these buildings either by selling them for fair market value at their highest and best use or by entering into a ground lease for a term of up to 99 years.

The Administrator is granted significant discretion to approve sale or ground lease transactions under terms and conditions deemed to be in the best interests of the United States. This includes the flexibility to relocate federal agencies currently occupying the buildings or to arrange for a leaseback of the property for a period not exceeding five years. A critical provision of the Act prohibits the sale or ground lease of any disposed federal building to foreign persons, foreign entities, or any entity with foreign beneficial owners.

Furthermore, these disposals are largely exempt from various federal requirements, including the McKinney-Vento Homeless Assistance Act, the National Environmental Policy Act of 1969, and the National Historic Preservation Act, though specific conditions apply for additional properties. For federal agencies that are relocated, the Administrator holds sole authority in selecting new sites, requiring consultation with the agency head but prohibiting "build-to-suit" leases. Actions taken by the Administrator under this section are explicitly not subject to judicial review.

Net proceeds generated from these disposals will first be used to cover implementation costs, including expenses associated with relocating federal agencies. Any remaining funds after these costs are covered will be deposited into the general fund of the Treasury for the purpose of reducing the national deficit. The bill also allows the Administrator to add up to 20 additional federal buildings per calendar year to the disposal list, provided they are under GSA control and have been utilized below 60 percent on average for the preceding year, with congressional notification and potential disapproval. The authority provided by this Act is set to terminate on December 31, 2028.