...This report outlines the framework that Fitch Ratings uses to monitor and analyze outstanding U.S. residential mortgage-backed securities (RMBS) for potential rating changes. This report replaces the previously published criteria report, "U.S. RMBS Surveillance Criteria," dated October 2013, and should be read in conjunction with the related criteria listed at left. Additionally, a description of the rating methodology for RMBS Re-REMIC transactions has been added to this report and replaces the previously published criteria report, "U.S. Residential Mortgage Re-REMIC Criteria," dated August 2013....