A confirming bank undertakes to reimburse another nominated bank that has honoured or negotiated a complying presentation and forwarded the documents to the confirming bank. Reimbursement for the amount of a complying presentation under a credit available by acceptance or deferred payment is due at maturity, whether or not another nominated bank prepaid or purchased before maturity. A confirming bank's undertaking to reimburse another nominated bank is independent of the confirming bank’s undertaking to the beneficiary.