The U.S. Department of Housing and Urban Development (HUD), Office of Policy Development and Research (PD) issues this Notice to announce that it has authority to accept unsolicited research proposals that address the current research priorities, which are included in this Notice. In accordance with statutory requirements, the research proposals must be submitted by eligible applicants and provide cost sharing of at least 50 percent of total project cost from philanthropic entities or Federal, state, or local government agencies. This Notice also announces that HUD is accepting research proposals for such research partnerships and provides a general description of information that should be included in any research proposal. Any organization that expects to submit a proposal to HUD should carefully read all information in this Notice to avoid sending an incomplete or ineligible proposal. Failure to respond accurately to any submission requirement could result in an incomplete or ineligible proposal.For further information regarding this Notice, direct questions regarding the specific requirements of this Notice to the agency contact identified in section VII.