§ 433.304 Definitions.
As used in this subpart—
Discovery (or discovered) means identification by any State Medicaid agency official or other State official, the Federal Government, or the provider of an overpayment, and the communication of that overpayment finding or the initiation of a formal recoupment action without notice as described in § 433.316.
Final written notice means that written communication, immediately preceding the first level of formal administrative or judicial proceedings, from a Medicaid agency official or other State official that notifies the provider of the State's overpayment determination and allows the provider to contest that determination, or that notifies the State Medicaid agency of the filing of a civil or criminal action.