NY -- Standard&Poor's CreditWire 10/21/96 -- Standard&Poor's today has assigned its triple-`A' rating to the Skr 4,000 million Medium-Term Note program issued by the Nordic Investment Bank. The outstanding short-term debt rating of commercial paper is `A-1'- plus. It was incorrectly stated in the previous release as single-`A'-minus, Standard&Poor's said. -- CreditWire RATINGS ASSIGNED: Skr 4,000 million Medium Term Note program AAA OUTSTANDING RATINGS: Issuer credit rating AAA Short-term debt A-1+