; (ii) shall implement this subsection in a manner designed to ensure the greatest financial benefit to the Federal Government; and (iii) may conduct the recovery audit directly, by using other departments and agencies of the United States, or by procuring performance of recovery audits by private sector sources by contract, subject to the availability of appropriations, or by any combination thereof. (C) Recovery audit contracts With respect to a recovery audit procured by an executive agency by contract— (i) subject to subparagraph (B)(iii), and except to the extent such actions are outside the authority of the executive agency under section 7103 of title 41, the head of the executive agency may authorize the contractor to— (I) notify entities, including individuals, of potential overpayments made to those entities; (II) respond to questions concerning potential overpayments; and (III) take other administrative actions with respect to an overpayment claim made or to be made by the executive agency; and (ii) the contractor shall not have the authority to make a final determination relating to whether any overpayment occurred or whether to compromise, settle, or terminate an overpayment claim. (D) Contract terms and conditions (i) In general The executive agency shall include in each contract for procurement of performance of a recovery audit a requirement that the contractor shall— (I) provide to the executive agency periodic reports on conditions giving rise to overpayments identified by the contractor and any recommendations on how to mitigate those conditions; (II) notify the executive agency of any overpayments identified by the contractor pertaining to the executive agency or to any other executive agency that are beyond the scope of the contract