Interview Questions: False, Inflated or Duplicate Invoices

Questions that might reveal false, inflated or duplicate invoices include:

  • Do you know or suspect, or have you heard, that a contractor is submitting fraudulent invoices?
  • Are adequate steps taken to verify the authenticity and legitimacy of invoices prior to payment?
  • Are disbursements made based on original or verified invoices only?
  • Is adequate supporting documentation required before requests for payment are honored?
  • Are paid invoices supported by contracts, purchase orders, receiving or inspection documents?
  • Are there any indications of alterations to invoices or attempts to pass off copies as originals?
  • Are you aware of any discrepancies between invoices and supporting documents, contracts, purchase orders or receiving documents?
  • Are you aware of any unusual invoices, such as invoices in round numbers, or on unprinted forms?
  • Do any vendors submit sequentially numbered invoices over an extended period?
  • Do certain contractors repeatedly submit duplicate or questionable invoices?
  • Do any employees routinely approve duplicate or questionable invoices from certain contractors?
  • Are invoices examined adequately to prevent double payment?
  • Are controls and procedures to prevent payment of improper invoices in place and enforced?