Sample report.

Two invoices (sample, fictional rental company). The rental company Larkfield Equipment Hire, the customer Meadowbrook Builders LLC and the job Quarry Road Depot are invented. The verdicts, the amounts and the letter below come from the same checks that run on your invoices.

Sample date: 2026-09-18. OffRentAudit is software. It is not legal or accounting advice, and it does not promise any outcome. You send every letter yourself, in the name of your company.

Invoice LH-2026-04417: difference found

4 lines, total $5,304.00. Each difference has its line, its check, the amount and what it rests on.

PlaceCheckChargedDifference
Line 1Rates printed on this invoiceR1 Rate step$2,700.00$600.00
Line 2Off-rent record of 2026-09-07, confirmation number OR-48213R4 Rental after off-rent$2,400.00$1,200.00
Line 3Master rental agreement, clause 7, dated 2025-11-03R2 Protection plan$180.00$180.00
Line 4Master rental agreement, clause 7, dated 2025-11-03R3 Environmental fee$24.00$24.00
Differences found$2,004.00
  • R1Line 1: Billed $2,700.00 for 9 days: $600.00 above the lowest combination of the rates printed on this invoice ($2,100.00).
  • R4Line 2: Called off rent on 2026-09-07: rent for the 7 days to that date is $1,200.00, $1,200.00 less than the amount billed ($2,400.00). Your agreement stops the rent at the off-rent call (Master rental agreement, clause 9, dated 2025-11-03).
  • R2Line 3: A protection plan of $180.00 is charged; the plan was declined in writing with effect from 2026-01-01.
  • R3Line 4: An environmental fee of $24.00 is charged; the agreement waives it.

Invoice LH-2026-04502: needs data

A check could not be decided because a document, a value or an answer of yours is missing, or a value was not read with certainty. We ask you. This is not a difference.

  • R1Line 1: Billed $1,800.00 is 150 % of the lowest combination of the rates printed on this invoice ($1,200.00), which matches a double or triple shift charge; confirm whether the machine worked extra shifts.

The credit request, as we write it.

A draft for the differences of invoice LH-2026-04417. The blanks are yours to fill in. You send it from your own mail, in the name of your company; we do not send it and we do not contact the rental company.

Subject: Credit request: invoice LH-2026-04417, rental contract LK-77310

2026-09-18

To: Larkfield Equipment Hire
From: Meadowbrook Builders LLC
Re: Invoice LH-2026-04417 dated 2026-09-15, rental contract LK-77310

We have reviewed this invoice and found the following differences:

1. Line 1, Scissor lift 19 ft electric
   Billed: $2,700.00. Should be: $2,100.00. Difference: $600.00.
   Basis: Rates printed on this invoice. Billed $2,700.00 for 9 days: $600.00 above the lowest combination of the rates printed on this invoice ($2,100.00).

2. Line 2, Telehandler 6,000 lb
   Billed: $2,400.00. Should be: $1,200.00. Difference: $1,200.00.
   Basis: Off-rent record of 2026-09-07, confirmation number OR-48213. Called off rent on 2026-09-07: rent for the 7 days to that date is $1,200.00, $1,200.00 less than the amount billed ($2,400.00). Your agreement stops the rent at the off-rent call (Master rental agreement, clause 9, dated 2025-11-03).

3. Line 3, Rental protection plan
   Billed: $180.00. Should be: $0.00. Difference: $180.00.
   Basis: Master rental agreement, clause 7, dated 2025-11-03. A protection plan of $180.00 is charged; the plan was declined in writing with effect from 2026-01-01.

4. Line 4, Environmental services charge
   Billed: $24.00. Should be: $0.00. Difference: $24.00.
   Basis: Master rental agreement, clause 7, dated 2025-11-03. An environmental fee of $24.00 is charged; the agreement waives it.

Total difference: $2,004.00

Please issue a credit memo for $2,004.00 against invoice LH-2026-04417.

Thank you,
[your name]
Meadowbrook Builders LLC

OffRentAudit is software. It is not legal or accounting advice, and it does not promise any outcome. You send every letter yourself, in the name of your company. All eight checks · Prices and limits

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