; and (D) whether the authority to designate facilities as critical access hospitals pursuant to such section 1820(c)(2)(B)(i)(III) should be maintained as is, modified in scale or scope, or sunset. (2) Report Not later than 7 years after the date of the enactment of this Act, the Comptroller General shall submit to Congress a report containing the results of the study conducted under subsection (a), together with recommendations for such legislation and administrative action as the Comptroller General determines appropriate. (e) Guidance Not later than 2 years after the date on which the Comptroller General submits the report to Congress under subsection (d)(2), the Administrator of the Centers for Medicare & Medicaid Services shall establish a mechanism and provide guidance and technical assistance to facilities that have been designated as a critical access hospital pursuant to section 1820(c)(2)(B)(i)(III) of the Social Security Act, as added by subsection (a), on how such facilities may consider transitioning to a different payment model under the Medicare program.