NEW YORK (Standard&Poor's) Sept. 20, 2011--Standard&Poor's Rating Services has assigned its 'AAA' long-term rating to the District of Columbia's series 2011A income-tax-secured revenue bonds. At the same time, Standard&Poor's affirmed its 'AAA' rating on the district's existing parity debt. The outlook is stable. The ratings reflect our 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. "We expect coverage levels to remain very strong despite additional issuances and the weaker economic environment," said Standard&Poor's credit analyst Le T. Quach. "We further expect
