Standard&Poor's Ratings Services confirmed its 'A/A-1' rating on San Francisco City&County's series 2002A multifamily housing variable-rate revenue bonds, issued for the Folsom-Dore Apartments, due to the bank facility being extended to March 19, 2020. The long-term and short-term components of the rating are based on the rating on the letter of credit provider, Citibank N.A. Criteria: Methodology And Assumptions: Approach To Evaluating Letter Of Credit-Supported Debt, July 6, 2009