信用票据 meaning in English

credit instruments
credit note
credit paper

Issue credit notes upon verification of proper documents
为确认正确文件开据信用票据。
A tentative study on the formation of credit instrument market in the song dynasty
试论宋代信用票据市场的构成
Enclosed is the credit note for us $ 200 . 00 that is on adjustment to the error on our invoice dated october 10 2002
随信寄上200 . 00美元的信用票据，用以修正本公司于2002年10月10日所出具的请款单的错误。
Bills of exchange , also referred to as bills , are essentially a short term credit instrument that can be used by a company either for financing or investment
汇票，也叫票据，主要指一种可用作公司筹资或投资的短期信用票据。