Maintenance of Documentation

8.4.4.5 - Maintenance of Documentation (Rev. 11962; Issued: 04-21-23; Effective: 05-22-23; Implementation: 05-22-23) The contractor shall maintain all documentation pertinent to the calculation of an estimated overpayment including but not limited to the statistician-approved sampling methodology, universe, sampling frame and formal worksheets. The documentation must be sufficient to allow for any future replication and/or validation by an administrative or judicial body.