On December 5, DBRS released its master European structured finance surveillance methodology.  DBRS Report.

On December 4, Fitch released its criteria for U.S. wireless tower transactions.  Fitch Report.

On December 4, Fitch updated its guidelines for rating prerefunded U.S. municipal bonds.  Fitch Report

On November 30, S&P released its methodology for assigning ratings to bonds in the U.S. based on escrowed collateral.  S&P Release.　

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