Standard&Poor's Ratings Services assigned its 'AA-' long-term rating to San Francisco City and County Finance Corp., Calif.'s series 2010A lease revenue bonds, issued on behalf of the City and County of San Francisco. At the same time, Standard&Poor's affirmed its 'AA-' long-term and underlying ratings (SPUR) on the city's outstanding certificates of participation (COPs) and its 'AA' rating and SPUR on the city's other general obligation (GO) bonds. The outlook is stable. The rating on the lease revenue bonds reflects our view of: San Francisco's role as obligor and lessee; The city and county's general creditworthiness; and The city and county's covenant to budget and appropriate lease payments. The 2010A lease revenue bonds are secured by