Standard&Poor's Ratings Services affirmed its 'AA-/A-1' and 'AA-' ratings on Austin Trust's variable-rate and inverse-rate certificates, respectively, series 1098, relating to Illinois Finance Authority's insured revenue bonds series 2008A (The Children's Memorial Hospital). The affirmation reflects the deposit of additional bonds into the trust. The long-term component of the rating on the variable-rate and inverse-rate certificates is based on the rating on the underlying bonds. The short-term component of the rating on the variable-rate certificates is based on the liquidity facility provided by Bank of America N.A. SEC Rule 17g-7 requires an NRSRO, for any report accompanying a credit rating relating to an asset-backed security as defined in the Rule, to include a description of the representations, warranties