no claim for improper payment permitted 2 years after payment.
问题描述：
no claim for improper payment permitted 2 years after payment.
求翻译!
答
在付款两年以后,不允许要求不适当得付款.
就是说,在付款两年以后,你不能要求取回不适当的付款.
主语是no claim,谓语是 permitted 允许“for improper payment”no claim,2years after payment 是时间状语.
题目是不是信用证的偿付条款呢?