; (B) with respect to ground ambulance services not described in subparagraph (A) and for which the transportation originates in a rural area described under paragraph (9) or in a rural census tract described in such paragraph, 3 percent; and (C) with respect to ground ambulance services not described in subparagraph (A) or (B), 2 percent. . (b) Study and report (1) Study The Secretary of Health and Human Services shall conduct a study on how the conversion factor applicable to ground ambulance services under the ambulance fee schedule under section 1834(l) of the Social Security Act ( 42 U.S.C. 1395m(l) ), as adjusted under paragraph (18) of such section (as added by subsection (a)), should be modified, if at all, to take into account the cost of providing services in urban, rural, and super-rural areas. In determining such costs, the Secretary shall use the data collected through the data collection system under paragraph (17) of such section. (2) Report Not later than January 1, 2022, the Secretary of Health and Human Services shall submit to Congress a report on the study conducted under paragraph (1), together with recommendations for such legislation and administrative action as the Secretary determines appropriate. 102. National expansion of prior authorization model for repetitive scheduled non-emergent ambulance transport (a) In general Section 1834(l)(16) of the Social Security Act ( 42 U.S.C. 1395m(l)(16) ) is amended— (1) by redesignating subparagraphs (B) and (C) as subparagraphs (C) and (D), respectively