; and (bb) reviewed such medical records in order to determine whether an improper payment has been made to the hospital, psychiatric hospital, or critical access hospital for such claim. (V) Overturned on appeal defined In this subparagraph, the term overturned on appeal means, with respect to a complex audit denial, a denial that is overturned on appeal at the reconsideration level, the redetermination level, or the administrative law judge hearing level. (D) Application to existing contracts Not later than 60 days after the date of the enactment of this paragraph, the Secretary shall modify, as necessary, each contract under paragraph (1) that the Secretary entered into prior to such date of enactment in order to ensure that payment with respect to recovery activities conducted under such contract is made in accordance with the requirements described in this paragraph. . (b) Elimination of One-Year Timely Filing Limit To Rebill Part B Claims (1) In general Section 1842(b) of the Social Security Act ( 42 U.S.C. 1395u(b) ) is amended by adding at the end the following new paragraph: (20) Exception to the one-year timely filing limit for certain rebilled claims (A) In general In the case of a claim submitted under this part by a hospital (as defined in subparagraph (B)(i)) for hospital services with respect to which there was a previous claim submitted under part A as inpatient hospital services or inpatient critical access hospital services that was denied by a medicare contractor (as defined in subparagraph (B)(ii)) because of a determination that the inpatient admission was not medically reasonable and necessary under section 1862(a)(1)(A), the deadline described in this paragraph is 180 days after the date of the final denial of such claim under part A. (B) Definitions In this paragraph: (i) Hospital The term hospital has the meaning given such term in section 1861(e) and includes a psychiatric hospital (as defined in section 1861(f)) and a critical access hospital (as defined in section 1861(mm)(1)). (ii)