出让人

Normally, obligor can restitute only from the assignor if the creditor's right assigned doesn't exist or obligor revokes the contract.

与的债权不存在或者债务人解除,债务人通常只能够向债权出人请求返还。

In case both parties agree to let the alienator continuously possess the chattel when the real right of a chattel is alienated, the real right shall go into effect upon the effectiveness of the agreement.

动产物权转，双方又约由出人继续占有该动产的，物权自该约发力。