Each negotation must be endorsement on the reverse side of beneficiaries original credit instrument by the negotiating bank which has to confirm the endorsement on their documentary remittance letter.

• 每次递交议付时议付行必须在受益人提交的正式信用工具（单证）反面背书，并在跟单汇付书（可能就是汇票）上确认这些背书！