24 CFR 28.20: Request for approval by the Department of Justice.

(a) If the General Counsel or designee determines that the Report of Investigation supports an action under this part, he or she must submit a written request to the Department of Justice for approval to issue a complaint under § 28.25.

(b) The request shall include a description of the claims or statements at issue; the evidence supporting the allegations; an estimate of the amount of money or the value of property, services, or other benefits requested or demanded in violation of § 28.10; any exculpatory or mitigating circumstances that may relate to the claims or statements; and a statement that there is a reasonable prospect of collecting an appropriate amount of penalties and assessments.