42 CFR 455.16 - Resolution of full investigation.
A full investigation must continue until -
(a) Appropriate legal action is initiated;
(b) The case is closed or dropped because of insufficient evidence to support the allegations of fraud or abuse; or
(c) The matter is resolved between the agency and the provider or beneficiary. This resolution may include but is not limited to -
(1) Sending a warning letter to the provider or beneficiary, giving notice that continuation of the activity in question will result in further action;
(2) Suspending or terminating the provider from participation in the Medicaid program;
(3) Seeking recovery of payments made to the provider; or
(4) Imposing other sanctions provided under the State plan.