S&P Global Ratings assigned its 'A-1' short-term rating to District of Columbia's series 2018 general obligation (GO) commercial paper (CP) notes. The rating reflects the lower of the issuer credit rating on Industrial&Commercial Bank of China Ltd., the parent company of the letter of credit (LOC) provider, and the foreign currency rating on U.S., the LOC provider's domicile. The LOC fully supports all note payment obligations for the notes. The issuer is authorized to issue up to $300 million of 2018 notes with a maximum maturity of 270 days. The aggregate amount of the CP notes of each series cannot exceed the stated amount of the respective LOC, and the amounts due on each notes' maturity date are