ombudsmen Not later than 3 years after the date of enactment of this Act, the Assistant Secretary shall issue a report updating the best practices for home and community-based ombudsmen that were included in the report entitled Best Practices for Home and Community-Based Ombudsmen , issued by the National Direct Service Workforce Resource Center of the Centers for Medicare & Medicaid Services and prepared by the Research and Training Center at the University of Minnesota and The Lewin Group (January 2013). 607. Senior home modification assistance initiative Not later than 2 years after the date of enactment of this Act, the Comptroller General of the United States shall conduct a study and issue a report that includes— (1) an inventory of Federal programs, administered by the Department of Health and Human Services, the Department of Housing and Urban Development, or any other Federal agency or department determined appropriate by the Comptroller General, that support evidence-based falls prevention, home assessments, and home modifications for older individuals and individuals with disabilities