As used in §§ 62-5-10 to 62-5-16, inclusive, an irrevocable letter of credit shall be accepted only if it is clean, irrevocable, and contains an evergreen clause.
Terms used in §§ 62-5-10 to 62-5-16, inclusive, mean:
A clean irrevocable letter of credit shall be accepted only if it is in the form prescribed by §§ 62-5-10 to 62-5-16, inclusive, and is issued by a financial institution that is authorized to engage in banking in any of the fifty states or under the laws of the United States and whose business is substantially confined to banking, and that has a long-term debt rating by a recognized national rating agency of investment grade or better. If no long-term debt rating is available, the financial institution shall have the equivalent investment grade financial characteristics.
SDCL 62-5-11