(a) Assignments of international receivables and to international assignments of receivables as defined in this chapter, if, at the time of the conclusion of the contract of assignment, the assignor is located in a Contracting State; and
(a) 符合本章定义的国际应收款的转让和应收款的国际转让，若转让合同订立时转让人在某一缔约国；以及