Sample audit · illustrative

One vendor, 18 invoices: what an audit finds.

Three different checks found $12,000 in potential discrepancies. Scan the summary in seconds — open any finding for its calculation and cited documents.

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Invoices arrive byTeam uploadEmail intakeERP · on request

At a glance · Example Rental Vendor · Aug 1–28, 2026

Illustrative example. Not a customer result.

$12,000

potential discrepancies, before tax — not yet recovered

invoices reviewed: 18
with a finding: 6
no supported difference: 12

Rate checkAgreed-rate differences · 3 invoices$6,000Finding 1
Off-rent checkCharges after the agreed billing end · 2 invoices$4,500Finding 2
Delivery checkDelivery-charge difference · 1 invoice$1,500Finding 3

The three findings

One example line from each check. Every finding cites the invoice line and the document it was checked against.

Finding 1 · Rate check

60-ft diesel straight boom lift billed above its agreed rate

EQ-B601 · Invoice EX-2042, line 1 · Potential discrepancy

This check, whole review$6,000

Billed

$4,000

4 weeks

Agreed

$3,500

4 weeks

Difference

$500

this line

Schedule A of ERV-2026-EC-B sets this lift at $3,500 per 4-week period; line 1 bills $4,000 for the same machine and period.

Next step: Ask the vendor to credit $2,000 on EX-2042 (4 lifts × $500).

Calculationbefore tax

Line 1: 1 × 4 weeks at $4,000.00 − agreed $3,500.00 = $500.00
Lines 2–4 (EQ-B602–EQ-B604): the same, $500.00 each
EX-2042: 4 findings × $500.00 = $2,000.00
Rate check across the review: EX-2042, RV-1201, RV-1202 = $6,000

Before you act, confirm

The agreement was in effect for these units with no authorized rate exception.
No correcting credit has already been issued on a later invoice.
EQ-B601–EQ-B604 are the equipment named in Schedule A.

Invoice EX-2042Example Rental Vendor · Aug 1–28, 2026

1. 60-ft diesel straight boom lift · EQ-B6011 × 4 weeks · $4,000.00
2. 60-ft diesel straight boom lift · EQ-B6021 × 4 weeks · $4,000.00
3. 60-ft diesel straight boom lift · EQ-B6031 × 4 weeks · $4,000.00
4. 60-ft diesel straight boom lift · EQ-B6041 × 4 weeks · $4,000.00

All four lines are flagged by the same check; this machine is line 1. Fictional sample document.

Rental rate agreement ERV-2026-EC-BSchedule A — rates per machine, per 4-week period

60-ft diesel straight boom lift$3,500.00
10,000-lb telehandler$5,000.00
26-ft electric scissor lift$1,480.00

Fictional agreement · each machine type has its own agreed rate. Fictional sample document.

Finding 2 · Off-rent check

80-ft telescopic boom lift billed after it went off rent

EQ-B801 · Invoice RV-1203, line 1 · Potential discrepancy

This check, whole review$4,500

Billed

$4,725

21 days

Agreed

$3,600

16 days

Difference

$1,125

this line

Off-rent notice ON-1203 ends billing at the end of Aug 16. The invoice bills this lift through Aug 21 — 5 extra days at the $225 daily rate.

Next step: Ask the vendor to credit $2,250 on RV-1203 (2 lifts × $1,125).

Finding 3 · Delivery check

Delivery charged above the agreed fixed amount

19-ft electric scissor lift EQ-S191 · Invoice RV-1205, delivery line · Potential discrepancy

This check, whole review$1,500

Billed

$2,500

delivery

Agreed

$1,000

fixed charge

Difference

$1,500

this line

Schedule C sets a fixed $1,000 delivery charge per order; RV-1205 bills $2,500 for delivery. The lift's own rental is at its agreed rate.

Next step: Ask the vendor to credit $1,500 on RV-1205.

What happens next

The same review, weeks later. Each amount is tracked on its own — never added together.

Dispute packet
Calculation, message and cited documents for the vendor. A Workspace Admin approves it before anything is sent. Findings from the other checks travel the same way, with their own cited documents.
EX-2042 · 4 findingsAwaiting approval · $2,000
Credit follow-up
Vendor responses and credit memos are recorded. Issued is not applied — the open $2,000 stays visible until it is applied or refunded.
Requested
$2,000
Approved
$2,000
Issued
$2,000
Applied
$0
Monitoring
Every incoming invoice is checked automatically, period after period — missing ones are flagged in your Inbox.
September 2026 · 3 of 4 receivedRV-1301 missing

Check your own invoices

Bring at least one invoice and the rate sheet or contract that applied. We'll email you within 48 hours of submission with initial findings or a clear next step.

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Up to 20 invoices · One vendor · No credit card.

See every check we run

Report details

What the review covered and what it could not verify — every report shows both.

Checks in this review

18 invoices · one vendor · Aug 1–28, 2026

Rate check · 3 invoices$6,000 potential
Off-rent check · 2 invoices$4,500 potential
Delivery check · 1 invoice$1,500 potential
Billing arithmeticNo supported difference
Duplicate chargesNo supported difference
Fees and surchargesNo supported difference
Credits and credit memos · no credit documents in this reviewNot evaluated

What a report also explains

Missing or incomplete agreement
No rate schedule, no rate comparison — the report names the document that would resolve it.
Ambiguous rental dates
Conflicting delivery or off-rent records are flagged, never assumed.
Credits not yet traced
A promised credit stays unresolved until it appears on a later invoice or statement.
A clean result
When the checks find no supported difference, the report says so — for the checks completed, not every charge.

One vendor, 18 invoices: what an audit finds.

At a glance · Example Rental Vendor · Aug 1–28, 2026

The three findings

60-ft diesel straight boom lift billed above its agreed rate

Calculationbefore tax

Before you act, confirm

Invoice EX-2042Example Rental Vendor · Aug 1–28, 2026

Rental rate agreement ERV-2026-EC-BSchedule A — rates per machine, per 4-week period

80-ft telescopic boom lift billed after it went off rent

Calculationbefore tax

Before you act, confirm

Invoice RV-1203Example Rental Vendor · Aug 1 – Aug 21, 2026

Off-rent notice ON-1203Example Rental Vendor · Example Contractor

Delivery charged above the agreed fixed amount

Calculationbefore tax

Before you act, confirm

Invoice RV-1205Example Rental Vendor · Aug 1–28, 2026

Rental rate agreement ERV-2026-EC-BSchedule C — fixed charges

What happens next

Dispute packet

Credit follow-up

Monitoring

Check your own invoices

Report details

Checks in this review

What a report also explains