Standard&Poor's Ratings Services affirmed its 'AAA/A-1+' rating on District of Columbia's multimodal GO variable-rate demand bonds series 2000A and 2000B due to the bank facility being extended to Sept. 28, 2010. The long-term component of the rating is based on Financial Security Assurance Inc. The short-term component of the rating is based on Dexia Credit Local. The stable outlook is based on the outlook of the bond insurer.