MT7XX Documentary Credits and Guarantees 跟单信用证和保函
MT7XX系列报文根据报文功能，分为以下七大类：
开立类报文
MT700/701 Issue of a Documentary Credit 开立跟单信用证
MT705 Pre-Advice of a Documentary Credit 跟单信用证的预先通知
MT707/708 Amendment to a Documentary Credit 跟单信用证的修改
转通知/转让类报文
MT710/711 Advice of a Third Bank’s or a Non-Bank’s Documentary Credit 通知第三方开立的跟单信用证
MT720/721 Transfer of a Documentary Credit 跟单信用证的转让
确认类报文
MT730 Acknowledgement 确认通知电文
MT732 Advice of Discharge 单据已被接受的通知
MT734 Advice of Refusal 拒付通知
索偿类报文
MT740 Authorisation to Reimburse 偿付授权
MT742 Reimbursement Claim 索偿
MT744 Notice of Non-Conforming Reimbursement Claim 不相符索偿的通知
MT747 Amendment to an Authorisation to Reimburse 修改偿付授权
单据处理类报文
MT750 Advice of Discrepancy 通知不符点
MT752 Authorisation to Pay, Accept or Negotiate 授权付款、承兑或议付
MT754 Advice of Payment/Acceptance/Negotiation 已付款、承兑或议付通知
MT756 Advice of Reimbursement or Payment 通知已偿付或付款
其他
MT759 Ancillary Trade Structured Message 补充贸易信息
