noun
A legal document that records the transfer of ownership of goods or property from a seller to a buyer.
中古車を購入した際に、売渡証を受け取った。
When I bought the used car, I received a bill of sale.
売渡証には、売主と買主の署名が必要です。
The bill of sale requires the signatures of both the seller and the buyer.
Compound of 売り渡し (uriwatashi, 'selling and handing over') + 証 (shō, 'certificate'). The exact historical derivation is uncertain, but the term is a straightforward legal compound.