Borrowers shall ensure that funds are invested in the rural development project as approved by RUS. The Administrator reserves the right to review the books and copy records of borrowers receiving loan payment deferments as necessary to ensure that the investments in the rural development project are in accordance with this subpart and the representations and purposes stated in the borrower's completed application. If an audit discloses that the amount deferred was not used for the purposes stated in the completed application, the borrower shall be required to promptly repay the amount deferred and the benefits of the deferment to the borrower will be recaptured by RUS. The borrower is responsible for ensuring that disbursements and expenditures of funds covering the investment in the rural development project are properly supported with certifications, invoices, contracts, bills of sale, cancelled checks, or any other forms of evidence determined appropriate by the Administrator and that such supporting material is available at the borrower's premises for review by the RUS field accountant, borrower's certified public accountant, the Office of Inspector General, the General Accounting Office and any other accountant conducting an audit of the borrower's financial statements for this rural development program.