42 C.F.R. § 512.464
(a) Grounds for remedial action. CMS may impose one or more remedial actions described in paragraph (b) of this section if CMS determines that:
(9) The IOTA participant or its IOTA collaborator is subject to investigation or action by HHS (including the HHS Office of Inspector General or CMS) or the Department of Justice due to an allegation of fraud or significant misconduct, including any of the following:
(b) Remedial actions. If CMS determines that one or more grounds for remedial action described in paragraph (a) of this section has taken place, CMS may take one or more of the following remedial actions: