美国统一商法典(中英文第9-406款至9-515款)

§ 9-406. DISCHARGE OF ACCOUNT DEBTOR; NOTIFICATION OF ASSIGNMENT; IDENTIFICATION AND PROOF OF ASSIGNMENT; RESTRICTIONS ON ASSIGNMENT OF ACCOUNTS, CHATTEL PAPER, PAYMENT INTANGIBLES, AND PROMISSORY NOTES INEFFECTIVE.

应收账款债务人的清偿; 转让通知; 转让的证明和证据;对应收账款、担保债权凭证、付款无体财产权和本票转让的限制无效.

（a） [Discharge of account debtor; effect of notification.]

Subject to subsections （b） through （i）, an account debtor on an account, chattel paper, or a payment intangible may discharge its obligation by paying the assignor until, but not after, the account debtor receives a notification, authenticated by the assignor or the assignee, that the amount due or to become due has been assigned and that payment is to be made to the assignee. After receipt of the notification, the account debtor may discharge its obligation by paying the assignee and may not discharge the obligation by paying the assignor.

（b） [When notification ineffective.]

Subject to subsection （h）, notification is ineffective under subsection （a）:

（1） if it does not reasonably identify the rights assigned;

（2） to the extent that an agreement between an account debtor and a seller of a payment intangible limits the account debtor's duty to pay a person other than the seller and the limitation is effective under law other than this article; or

（3） at the option of an account debtor, if the notification notifies the account debtor to make less than the full amount of any installment or other periodic payment to the assignee, even if:

（A） only a portion of the account, chattel paper, or general intangible has been assigned to that assignee;

（B） a portion has been assigned to another assignee; or

（C） the account debtor knows that the assignment to that assignee is limited.

（c） [Proof of assignment.]

Subject to subsection （h）, if requested by the account debtor, an assignee shall seasonably furnish reasonable proof that the assignment has been made. Unless the assignee complies, the account debtor may discharge its obligation by paying the assignor, even if the account debtor has received a notification under subsection （a）.

（d） [Term restricting assignment generally ineffective.]

Except as otherwise provided in subsection （e） and Sections 2A-303 and 9-407, and subject to subsection （h）, a term in an agreement between an account debtor and an assignor or in a promissory note is ineffective to the extent that it:

（1） prohibits, restricts, or requires the consent of the account debtor or person obligated on the promissory note to the assignment or transfer of, or the creation, attachment, perfection, or enforcement of a security interest in, the account, chattel paper, payment intangible, or promissory note; or

（2） provides that the creation, attachment, perfection, or enforcement of the security interest may give rise to a default, breach, right of recoupment, claim, defense, termination, right of termination, or remedy under the account, chattel paper, payment intangible, or promissory note.

(a) [应收账款债务人的解除; 通知的效力

应收账款债务人收到一份经让与人或受让人鉴别的、该应付金额或将成为应付的金额已经被转让，并且该付款将被作出给受让人的通知之前，但不在该时之后，受(b)到(i)款影响，应收账款、担保债权凭证或物体财产付款上的应收账款债务人可以通过向让与人支付清偿其债务。在收到该通知之后，应收账款债务人可以通过向受让人支付清偿其债务，并且，不得通过向让与人支付清偿其债务。

(b) [何时通知无效

受(h)款影响，(a)款下的通知无效：

(1) 若其未合理地确定被转让的权利；

(2) 在应收账款债务人和物体财产付款出卖人之间的协议限制应收账款债务人向除该出卖人外的人支付的义务的范围内，并且，该限制在除本篇外的法律下有效；或

(3) 根据应收账款债务人的选择，若该通知指示应收账款债务人作出比任何分期付款或其他定期付款的充分金额更少的金额给受让人，即使：