NEW YORK (Standard&Poor's) Dec. 1, 2011--Standard&Poor's Ratings Services has assigned its 'AAA' long-term rating to the District of Columbia's $200 million series 2011F income-tax-secured revenue bonds and $210.47 million series 2011G income-tax-secured revenue bonds. The outlook is stable. At the same time, Standard&Poor's affirmed its 'AAA' ratings on the district's existing parity debt. The ratings reflect Standard&Poor's view of the district's: Strong historical coverage of maximum annual debt service requirements, which is projected to continue as the district issues additional bonds over the next three years; and Strong legal provisions, including a two-pronged additional bonds test. Offsetting rating factors include continuing exposure to roll over risk given the district's intent to roll
