The rating on Wachovia Bank N.A. municipal exempt receipts liquidity optional tender series 2001A63, relating to Austin, Texas water and wastewater system revenue refunding bonds series 2001B, has been affirmed following the substitution of the liquidity facility provided by Wachovia Bank N.A. with a liquidity facility provided by Bank of New York on May 4, 2006. The long-term component of the rating is based on the FSA-insured underlying bond. The short-term component of the rating is based on a liquidity facility provided by Bank of New York. The expiration date of the liquidity facility is April 18, 2007. The stable outlook is based on the outlook of the bond insurer.