at a hospital or critical access hospital (including items or services furnished by a provider of services or a supplier at the hospital or critical access hospital), the hospital or critical access hospital (or the provider of services or supplier) may not charge the individual more than the amount that the individual would have been required to pay in cost sharing if such items or services had been furnished by a hospital or critical access hospital (or by a provider of services or supplier) within such network or otherwise a participating provider of services. (3) Review process A relevant facility shall participate in any review process requested, and comply with any determination made, under section 3 of the Fair Billing Act of 2017. (4) Definitions In this subsection: (A) Emergency medical condition The term emergency medical condition has the meaning given such term in section 1867(e). (B) Health care plan The term health care plan means— (i) a group health plan