On January 20, CFPB finalized two minor modifications to the “Know Before You Owe” mortgage disclosure rules. The changes, which were proposed in October 2014, address when consumers will receive updated disclosures after locking in an interest rate, and how consumers receive information regarding certain construction loans. The “Know Before You Owe” mortgage disclosure rule, including the changes finalized today, will be effective August 1, 2015. Release. Final Rule.