Expense Reimbursement Schemes

Why This Topic Is Important
Expense reimbursement schemes are one of the four categories of fraudulent disbursements in the ACFE Fraud Tree (alongside billing schemes, payroll schemes, and check tampering/register disbursements). According to the ACFE Report to the Nations, expense reimbursement fraud appears in roughly 14% of asset misappropriation cases, with a median loss in the tens of thousands of dollars and a long median duration, typically about 24 months before detection. The topic is heavily tested in the Financial Transactions and Fraud Schemes section of the CFE Exam because it illustrates core concepts: how employees exploit weak controls, how documentation can be falsified, and how proactive analytics can detect anomalies. Mastering it also strengthens your understanding of the broader Fraud Tree classification logic.

What It Is
An expense reimbursement scheme occurs when an employee makes a claim for reimbursement of fictitious, inflated, or personal business expenses. The organization pays the employee based on a false or misleading expense report. Because the victim organization actually issues the payment (unlike cash larceny or skimming), it is classified as a fraudulent disbursement, which is a subcategory of asset misappropriation.

The ACFE identifies four types of expense reimbursement schemes. You must know all four and be able to distinguish between them:

1. Mischaracterized Expenses
The employee submits a legitimate receipt for a personal expense and claims it was business-related. Example: taking a spouse to dinner and labeling it a client entertainment meal, or booking a personal vacation flight as a business trip. The receipt is real; the purpose is falsified. Detection often requires comparing the claim against calendars, travel schedules, and client records.

2. Overstated Expenses
The employee inflates the cost of an actual business expense. Methods include:
• Altered receipts – changing a $40 receipt to $140.
• Overpurchasing – buying a first-class ticket, submitting the receipt, then exchanging it for coach and pocketing the difference.
• Overstating another employee's expenses – a supervisor alters a subordinate's report before approval.
• Orders to overstate – a manager instructs subordinates to inflate claims and kick back the excess.

3. Fictitious Expenses
The employee claims reimbursement for expenses that never occurred. Methods include producing counterfeit receipts (easily created with software), obtaining blank receipts from vendors, or claiming expenses paid by others (e.g., a meal actually paid for by a client). This type involves no legitimate underlying transaction at all.

4. Multiple Reimbursements
The employee submits the same expense more than once, typically using different supporting documents for each claim. Example: submitting the airline itinerary for one claim and the credit card statement for another, or filing the same receipt in two different reporting periods. This scheme exploits a lack of duplicate-checking controls.

How It Works – Red Flags and Detection
Expense reimbursement fraud succeeds when controls are weak or when supervisors approve reports without scrutiny. Key red flags include:
• Expenses consistently just below the receipt-required threshold or approval limit.
• Photocopied or handwritten receipts rather than originals.
• Sequential receipt numbers from the same vendor across different dates.
• Round-number claims or patterns of identical amounts.
• Expenses claimed on weekends, holidays, or dates the employee was not traveling.
• One employee's expenses significantly higher than peers in similar roles.
• Claims submitted long after the expense date.
• Reports approved by the submitter's own subordinate or by a supervisor who signs without review.

Detection methods include trend analysis (comparing expenses to budget and to prior periods), detailed review of a sample of reports, comparing expense dates to travel and work schedules, verifying receipts directly with vendors, and data analytics searching for duplicate amounts, dates, and vendor names across reports.

Prevention controls include requiring original itemized receipts, mandatory detailed review by a direct supervisor (not a subordinate or peer), a clear written expense policy, a reasonable dollar threshold for documentation, a corporate card program with direct-feed data, periodic audits of expense reports, and matching expense claims against calendars and project codes.

Exam Tips: Answering Questions on Expense Reimbursement Schemes

Tip 1 – Classify correctly within the Fraud Tree. If a question asks what category expense reimbursement falls under, the answer is Asset Misappropriation → Fraudulent Disbursements → Expense Reimbursement Schemes. Do not confuse it with billing schemes (which involve vendor invoices) or payroll schemes (which involve wages).

Tip 2 – Focus on the key distinguishing word in each scenario. The CFE Exam loves scenario questions. Use this quick test:
• Real receipt, personal purpose → Mischaracterized.
• Real expense, inflated amount → Overstated.
• No expense ever happened → Fictitious.
• Same expense claimed twice → Multiple reimbursements.

Tip 3 – Watch for the overpurchasing trap. Buying an expensive ticket, submitting it, then exchanging for a cheaper one is an overstated expense, not a fictitious one, because a legitimate business trip occurred.

Tip 4 – Know the 'best control' answers. When asked for the most effective prevention, the ACFE typically favors detailed supervisory review with original receipts. 'Requiring receipts' alone is weaker because receipts can be forged; review by the appropriate supervisor is the key.

Tip 5 – Recognize detection vs. prevention. Questions may ask whether a technique detects or prevents. Trend analysis, duplicate searches, and vendor verification are detection. Policies, approval requirements, and documentation thresholds are prevention.

Tip 6 – Remember the ACFE statistics directionally. You will not need exact percentages, but know that expense reimbursement schemes are relatively common (roughly 14% of asset misappropriation cases), have comparatively low median losses, and tend to run a long time (around two years) because individual claims are small and easy to overlook.

Tip 7 – Eliminate distractors. If an answer choice involves a vendor, a payroll record, or a check altered after issuance, it is almost certainly describing a different disbursement scheme. Stay anchored on the employee's own expense claim.

Summary
Expense reimbursement schemes involve employees obtaining payment for personal, inflated, fictitious, or duplicated expenses. The four types – mischaracterized, overstated, fictitious, and multiple reimbursements – are the backbone of exam questions. Learn to identify each from a short scenario, know the red flags and the ACFE-preferred controls, and you will handle this topic with confidence on exam day.