Standard&Poor's Ratings Services affirmed its 'AAA/A-1+' rating on San Francisco City&County Finance Corp., Calif.'s (San Francisco City&County) lease revenue refunding bonds (Moscone Center Expansion Project) series 2008-2, due to the bank facility being extended to Sept. 9, 2014. The long-term component of the rating is based jointly (assuming low correlation) on the ratings on theobligor, San Francisco City&County, and the letter of credit provider, State Street Bank and Trust Co., Boston, Mass. The short-term component of the rating is based solely on the rating on State Street Bank and Trust Co., Boston, Mass. Criteria: Methodology And Assumptions: Approach To Evaluating Letter Of Credit-Supported Debt, July 6, 2009 USPF Criteria: Municipal Applications For