SAN FRANCISCO (S&P Global Ratings) Jan. 9, 2017--S&P Global Ratings assigned its 'AA+' long-term rating to San Francisco City&County, Calif.'s general obligation (GO) bonds, series 2017A (Public Health and Safety). At the same time, S&P Global Ratings affirmed its: 'AA+' long-term rating on the city and county's GO debt outstanding, 'AA' long-term rating and underlying rating (SPUR) on the city and county's appropriation obligations outstanding, 'AAA/A-1+' joint-support rating on the city and county's 2008 variable-rate lease revenue obligations, and 'A-1+' short-term rating on the city and county's commercial paper (CP) program. The outlook, where applicable, is stable. "The ratings reflect our view of the city and county's very strong economy and very strong budgetary flexibility," said S&P Global