sale confirmation; sales confirmation document
A formal document confirming the details of a sale, used in business or legal contexts.
We received a sale confirmation from the business partner.
Please sign the sale confirmation document.
売買契約書 is a broader sales contract, while 売渡確認書 specifically confirms the transfer details.
納品書 is a delivery note, whereas 売渡確認書 focuses on the sale confirmation aspect.
Compound of 売渡 (uriwatashi, 'sale, transfer') + 確認書 (kakuninsho, 'confirmation document').