Portfolio lenders as well as those looking to issue non-agency mortgage-backed securities cautioned the Consumer Financial Protection Bureau against setting specific thresholds for debt-to-income ratios on “qualified mortgages.” Some non-agency MBS investors countered that a bright line DTI ratio would be useful. In June, the CFPB reopened the comment period on the pending ability-to-repay rule, with an emphasis on data relating to DTI ratios. The deadline for comments was last week. The Clearing House Association ...