Iowa Code § 554.9409
1. Term or law restricting assignment generally ineffective. A term in a letter of credit or a rule of law, statute, regulation, custom, or practice applicable to the letter of credit which prohibits, restricts, or requires the consent of an applicant, issuer, or nominated person to a beneficiary’s assignment of or creation of a security interest in a letter-of-credit right is ineffective to the extent that the term or rule of law, statute, regulation, custom, or practice:
2. Limitation on ineffectiveness under subsection 1. To the extent that a term in a letter of credit is ineffective under subsection 1 but would be effective under law other than this Article or a custom or practice applicable to the letter of credit, to the transfer of a right to draw or otherwise demand performance under the letter of credit, or to the assignment of a right to proceeds of the letter of credit, the creation, attachment, or perfection of a security interest in the letter-of-credit right:
2000 Acts, ch 1149, §71, 187
Referred to in §554.9401