In a recent comment letter submitted to the Consumer Financial Protection Bureau, the Mortgage Bankers Association argued for changes to regulations in an effort to boost originations of non-agency mortgages. The trade group cited problems with Appendix Q of the ability-to-repay rule and called for the government-sponsored enterprise “patch” for qualified mortgages to be extended to jumbo mortgages. Appendix Q sets QM standards for non-agency mortgages that aren’t eligible for sale to the GSEs or government-insured