in subsection (a), a State (and the Secretary) shall so apply such criteria, insofar as such criteria relates to a facility located in an area with only secondary roads available, using such guidance and regulations as were in effect on July 30, 2015, until, subject to paragraph (4) of section 1820(h) of the Social Security Act (as added by section 2), such time as the Secretary issues guidance or regulations in accordance with such subsection.