48 CFR 2432.006-3: 2432.006-3 Responsibilities.

(b) HUD personnel shall report immediately in writing when a contractor's request for advance, partial, or progress payments is suspected to be fraudulent. The report shall be made to the contracting officer and the remedy coordination official. The report shall describe the events, acts, and conditions that indicate the apparent or suspected violation and include all pertinent documents. The remedy coordination official will consult with, and refer cases to, the Office of the Inspector General for investigation, as appropriate. If appropriate, the Office of the Inspector General will provide a report to the Senior Procurement Executive.