or circumstances) is held invalid, the remainder of this Act (or the application of that provision to other persons or circumstances) shall not be affected. (f) Effective date The provisions of this section shall apply beginning on the date that is one year after the last day of the emergency period (as defined in paragraph (1)(B) of section 1135(g) of the Social Security Act ( 42 U.S.C. 1320b–5(g) ).