noun
sale confirmation; sales confirmation document
A formal document confirming the details of a sale, used in business or legal contexts.
取引先から売渡確認書が届いた。
We received a sale confirmation from the business partner.
売渡確認書に署名をお願いします。
Please sign the sale confirmation document.
Compound of 売渡 (uriwatashi, 'sale, transfer') + 確認書 (kakuninsho, 'confirmation document').