Reference
Invoice auditing glossary
The vocabulary of contract price compliance, defined the way it is actually used on a contractor's or distributor's accounts payable desk.
Price variance
The difference between the unit price a supplier billed and the contracted price in effect on the invoice date.
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Unmatched reason
The classified explanation for why an invoice line could not be matched to a contracted price.
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SKU stemming
Reducing a part number to a comparable core so distributor-specific variants match the contracted item.
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Unit of measure normalization
Converting contract and invoice quantities to a common unit before any price comparison.
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Credit and rebill pairing
Linking a credit memo line to the corrected invoice line that replaced it so a single correction is not counted twice.
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Standing, quoted and isolated discounts
The three ways a below-contract price shows up, and why the distinction changes what you do about it.
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Tolerance threshold
The minimum variance, in percent or dollars, that is worth a human's attention.
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Column mapping profile
A saved translation between one supplier's file layout and the fields the audit engine needs.
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Recovery claim
A tracked case that carries a set of variance lines from discovery through credit or write-off.
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Supplier scorecard
A per-supplier summary of billing accuracy, variance dollars, and how quickly claims are settled.
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Three-way match
The standard AP control comparing purchase order, receipt and invoice — which does not check contract price.
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Longer write-ups live in the field notes, and you can size your own exposure with the savings calculator.