42 CFR 1001.2007 - Appeal of exclusions.
(i) The basis for the imposition of the sanction exists, and
(ii) The length of exclusion is unreasonable.
(c) The standard of proof at a hearing is preponderance of the evidence.
(d) When the exclusion is based on the existence of a criminal conviction or a civil judgment imposing liability by Federal, State or local court, a determination by another Government agency, or any other prior determination where the facts were adjudicated and a final decision was made, the basis for the underlying conviction, civil judgment or determination is not reviewable and the individual or entity may not collaterally attack it either on substantive or procedural grounds in this appeal.
(e) The procedures in part 1005 of this chapter will apply to the appeal.