Participants in the non-agency mortgage-backed security market and banks have proposed different ways of how to address debt-to-income ratio standards for qualified mortgages. The Structured Finance Industry Group wants the Consumer Financial Protection Bureau to consider speeding the timeline for ending the so-called QM patch, while the American Bankers Association seeks a permanent fix for the DTI issue. The debate centers on the 43.0 percent DTI ratio standard for QMs ...