On March 22, S&P released its methodology for Canadian credit card ABS.  S&P Release. 
On March 20, Fitch updated its criteria for stressing interest rate risk in structured finance transactions.  Fitch Report. 
On March 19, S&P  released its U.S. public finance long-term municipal pool methodology.  S&P Methodology.
On March 19, Fitch updated its rating guidelines for CP programs issued with external support.  Fitch Report.
On March 19, Moody’s released its finance company global rating methodology.  Moody’s Report. 
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