42 C.F.R. § 455.17
The agency must report the following fraud or abuse information to the appropriate Department officials at intervals prescribed in instructions.
(b) For each case of suspected provider fraud and abuse that warrants a full investigation—
(6) The legal and administrative disposition of the case, including actions taken by law enforcement officials to whom the case has been referred.
(Approved by the Office of Management and Budget under control number 0938-0076)
[43 FR 45262, Sept. 29, 1978, as amended at 48 FR 3756, Jan. 27, 1983]