Last reviewed 10-31-2026Short-Sale.com Editorialglossary
Transaction Number
FreddieMac
Updated 10-31-2026
Transaction Number
The Transaction Number (also known as the AUS Transaction Number) is a randomly generated number that is assigned to a specific Loan Product Advisor® submission. For example, if an individual Mortgage is submitted to Loan Product Advisor five times, the same Key Number will be used, but each submission will generate a different Transaction Number.
FreddieMac Glossary
FreddieMac · p. 43
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