The new ability-to-repay (ATR) rule and the “qualified mortgage” definition will result in more predictable, less costly servicing for prime QMs and increased complexity for subprime and non-QMs, according to an analysis by Deloitte Touche. The ATR rule defines an ability-to-repay standard for mortgages, including eight borrower characteristics to be considered in the lending decision. It also creates a QM definition that clarifies compliance with the ATR standard for loans with certain features and ...