42 C.F.R. § 1003.200
(a) The OIG may impose a penalty, assessment, and an exclusion against any person who it determines has knowingly presented, or caused to be presented, a claim that was for—
(4) A physician's services (or an item or service) for which the person knew, or should have known, that the individual who furnished (or supervised the furnishing of) the service—
(b) The OIG may impose a penalty; an exclusion; and, where authorized, an assessment against any person who it determines—
(1) Has knowingly presented, or caused to be presented, a request for payment in violation of the terms of—
(3) Is an individual who is excluded from participating in a Federal health care program under section 1128 or 1128A of the Act, and who—
(10) Fails to grant timely access to records, documents, and other material or data in any medium (including electronically stored information and any tangible thing), upon reasonable request, to the OIG, for the purpose of audits, investigations, evaluations, or other OIG statutory functions. Such failure to grant timely access means: