UCPDC ARTICLE 4
UCPDC ARTICLE 4 CREDITS V. CONTRACTS: a. A credit by its nature is a separate transaction from the sale or other contract on which it may be based. Banks are in no way concerned with or bound by such contract, even if any reference whatsoever to it is included in the credit. Consequently, the undertaking of a bank to honour, to negotiate or to fulfill any other obligation under the credit is not subject to claims or defenses by the applicant resulting from its relationships with the issuing bank or the beneficiary. b. An issuing bank should discourage any attempt by the applicant to include, as an integral part of the credit, copies of the underlying contract, proforma invoice and the like