The provisions of this subpart apply to facilities with respect to which grant funds were paid for construction or modernization -
(a) Under title VI or XVI of the Public Health Service Act; or
(b) Pursuant to the authority of the Secretary under any of the following statutes:
(1) The Public Works Acceleration Act of 1962, Pub. L. 87-658 (42 U.S.C. 2641 et seq.);
(2) The District of Columbia Medical Facilities Construction Act of 1968, 82 Stat. 631 (Pub. L. 90-457);
(3) The Appalachian Regional Development Act of 1965, as amended (40 U.S.C. App.).