IIA-CIA-PART1 · Question #180
Which of the following tests would most likely help discover a fictitious invoice?
The correct answer is B. Match cancelled checks to invoices. Matching cancelled checks to invoices (B) is the most direct test for fictitious invoices because it traces each payment back to its supporting documentation - a fictitious invoice lacks a corresponding purchase order, receiving report, or other evidence of a real transaction…
Question
Which of the following tests would most likely help discover a fictitious invoice?
Options
- ACompare vendor addresses to employee addresses.
- BMatch cancelled checks to invoices.
- CSearch for duplicate payment amounts.
- DCheck employee bank records against invoice amounts.
How the community answered
(70 responses)- A13% (9)
- B77% (54)
- C3% (2)
- D7% (5)
Explanation
Matching cancelled checks to invoices (B) is the most direct test for fictitious invoices because it traces each payment back to its supporting documentation - a fictitious invoice lacks a corresponding purchase order, receiving report, or other evidence of a real transaction, exposing the fraud. When an auditor pulls the cancelled check and can't tie it to legitimate business documentation, that gap signals a potentially fabricated invoice.
Why the distractors fall short:
- A (compare vendor to employee addresses) detects shell company fraud where an employee poses as a vendor, but a fraudster can easily use a PO box or unrelated address, making this less reliable as a primary test.
- C (search for duplicate payment amounts) targets duplicate payments, not fictitious ones - a fabricated invoice is typically paid once, so it wouldn't surface here.
- D (check employee bank records) is legally invasive, not a standard audit procedure, and only works after you've already identified a suspect.
Memory tip: Think "B for Backup documentation - match checks to invoices to find ones with no backup." Fictitious invoices can't survive scrutiny of the full payment trail.
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