Standard&Poor's Ratings Services assigned its 'AAA/A-1+' and 'AAA' ratings to Morgan Stanley&Co. Inc. Trust floater and residual certificates, respectively, issued under trust series 2006-1883, relating to Custodial Receipts 2008-80, respectively, relating to San Francisco City and County, Calif. certificates of participation series 2007 A . The 'AAA' ratings for the trust certificates are based jointly (assuming low correlation) on the ratings of the underlying obligor (AA-) and credit enhancement in the form of a credit enhancement in the form of a credit and liquidity swap agreement provided by Wells Fargo&Co. (AA+/A-1+). On an ongoing basis, the credit rating of the trust will be based on the higher of the joint support rating and the
