an institution (A) which has or previously had in effect an agreement with the Secretary under section 1395cc of this title; and (B)(i) from which the Secretary has been unable to recover overpayments made under subchapter XVIII, or (ii) from which the Secretary has been unable to collect the information necessary to enable him to determine the amount (if any) of the overpayments made to such institution under subchapter XVIII; and

any person (A) who (i) has previously accepted payment on the basis of an assignment under section 1395u(b)(3)(B)(ii) of this title, and (ii) during the annual period immediately preceding such quarter submitted no claims for payment under subchapter XVIII, or submitted claims for payment under subchapter XVIII which aggregated less than the amount of overpayments made to him, and (B)(i) from whom the Secretary has been unable to recover overpayments received in violation of the terms of such assignment, or (ii) from whom the Secretary has been unable to collect the information necessary to enable him to determine the amount (if any) of the overpayments made to such person under subchapter XVIII.