Actions to be Performed Following Selection of Provider or

8.4.6 - Actions to be Performed Following Selection of Provider or Supplier and Sample (Rev. 906; Issued: 09-26-19; Effective: 01-02-19; Implementation: 01-02-19) The instructions in this section dealing with notification and determination of location of the review do not supersede instructions for contractors that are using statistical sampling for overpayment estimation as part of an investigation, either planned or on-going, into potential Medicare fraud.