; and (2) by adding at the end the following new subsection: (h) Testing of new rural hospital delivery and payment model (1) In general (A) Testing The Secretary shall test the implementation of a new rural hospital delivery and payment model (or models) that the Secretary determines would promote financially sustainable ways to ensure patient access to care in rural communities, which may include models under which such hospitals furnish outpatient emergency care services 24 hours a day, 7 days a week for which payment is made under title XVIII based on the amount determined under the prospective payment system for hospital outpatient department services under section 1833(t), plus a fixed rate for the cost of furnishing the emergency services. (B) Promulgation of regulations Not later than 3 years after the date of the enactment of this subsection, the Secretary shall promulgate regulations to test a new rural hospital delivery and payment model (or models) described in subparagraph (A), unless Congress enacts legislation that establishes such a payment model (or models) prior to the promulgation of regulations pursuant to this subparagraph. (2) Transition Effective beginning on the date on which the testing of a new rural hospital delivery and payment model (or models) described in paragraph (1)(A) is implemented under this subsection or such a payment model (or models) is established through the enactment of legislation described in paragraph (1)(B), the Secretary shall provide a process under which— (A) all critical access hospitals may transition to such new model or models under this subsection