The Board of Governors of the Federal Reserve System issued letter CA 19-4 to distribute a revised version of the interagency guide for Home Mortgage Disclosure Act reporting. This updated guidance assists supervised institutions in complying with data collection and reporting requirements effective January 1, 2019, incorporating amendments from the Consumer Financial Protection Bureau and the Economic Growth, Regulatory Relief, and Consumer Protection Act. The document applies to all Federal Reserve-supervised institutions and provides a summary of key provisions regarding institutional coverage, transactional scope, and disclosure obligations.