Each recipient of Federal grants, subgrants, contracts, subcontracts, or loans entered into under this chapter other than by formal advertising, and which are otherwise authorized by this chapter, shall keep such records as the Director or the Inspector General shall prescribe, including records which fully disclose the amount and disposition by such recipient of the proceeds of such assistance, the total cost of the project or undertaking in connection with which such assistance is given or used, the amount of that portion of the cost of the project or undertaking supplied by other sources, and such other records as will facilitate an effective audit.