; and (2) in subsection (e), by inserting , subject to subsection (c)(2)(G), after The Secretary shall . (b) Regulations Not later than 120 days after the date of the enactment of this Act, the Secretary of Health and Human Services shall issue final regulations to carry out subsection (a). (c) Clarification regarding facilities that meet distance or other certification criteria Nothing in this section shall affect the application of criteria for designation as a critical access hospital described in subclause (I) or (II) section 1820(c)(2)(B)(i) of the Social Security Act ( 42 U.S.C. 1395i–4(c)(2)(B)(i) ). (d) GAO study and report (1) Study The Comptroller General of the United States (in this section referred to as the Comptroller General ), in consultation with the Administrator of the Centers for Medicare & Medicaid Services, shall conduct a study on the implementation of the amendments made by subsection (a). Such study shall include an analysis of— (A) the characteristics of facilities designated as critical access hospitals pursuant to section 1820(c)(2)(B)(i)(III) of the Social Security Act, as added by subsection (a); (B) the financial status and outlook for such facilities based on their designation as a critical access hospital pursuant to such section; (C) any increase in expenditures under the Medicare program under title XVIII of the Social Security Act ( 42 U.S.C. 1395 et seq. ) as a result of such designation, relative to the expected baseline expenditures under the Medicare program if such facilities had not received such designation