§ 98.101 Case Review Methodology.

(a) Case Reviews and Sampling—In preparing the error reports required by this subpart, States, the District of Columbia and Puerto Rico shall conduct comprehensive reviews of case records using a methodology established by the Secretary. For purposes of the case reviews, States, the District of Columbia and Puerto Rico shall select a random sample of case records which is estimated to achieve the calculation of an estimated annual amount of improper payments with a 90 percent confidence interval of ±5.0 percent.