; (II) either— (aa) is verified by the American College of Surgeons or a State as having the resources required of a level IV trauma center or higher; or (bb) employs healthcare professionals that successfully completed within the preceding 4 years— (AA) the Advanced Trauma Life Support Course offered by the American College of Surgeons; or (BB) another trauma training program for health­care professionals that is accepted by a State trauma system for certification purposes; (III) has in effect a transfer agreement with a level I or level II trauma center; and (IV) meets such staff training and certification requirements as the Secretary may require. (4) Coinsurance (A) In general The amount of payment for rural emergency hospital services or transportation services made to a rural emergency hospital or other provider of ambulance services under this subsection shall be reduced by the coinsurance amount described in subparagraph (B). (B) Coinsurance amount The coinsurance amount described in this subparagraph, with respect to an item or service provided by a rural emergency hospital or provider of ambulance services, shall be calculated in the same manner as the coinsurance amount for an outpatient critical access hospital service is calculated under section 1866(a)(2). . (b) Waiver of distance requirement for replacement CAHs; subsequent redesignation of rural emergency hospitals as CAHs Section 1820(c)(2) of the Social Security Act ( 42 U.S.C. 1395i–4(c)(2) ) is amended— (1) in subparagraph (B)(i)(I), by inserting subject to subparagraph (F), before is located