To provide for the restoration of Washington Square in Philadelphia and for its inclusion within Independence National Historical Park, and for other purposes.

[AI summary unavailable — showing source text] Authorizes the Secretary of the Interior, acting through the Director of the National Park Service, to provide a grant to Philadelphia, Pennsylvania, to undertake the restoration of Washington Square in accordance with the standards established to facilitate its inclusion in Independence National Historical Park. Prohibits such grant from being used to fund more than 66.6 percent of the costs of such restoration. Authorizes appropriations. Authorizes the Secretary to: (1) enter into a lease agreement with Philadelphia for the lease of the restored Square to the National Park Service; (2) modify the Park's boundaries to include the Square; and (3) provide for the administration of the Square as part of the Park.…