; (B) the financing of affordable rental housing; and (C) the provision of residential health care facilities. (2) To supplement private sector activity by serving hard-to-serve markets, developing new mortgage products, and filling gaps in the provision and delivery of mortgage credit. (3) To deliver housing mortgage insurance and credit enhancement and provide other services in a non-discriminatory manner. (4) To promote liquidity and provide stability to the single family and multifamily housing finance market, by continuing to provide mortgage insurance and credit enhancement on a sound basis during times of regional and national economic downturn. (5) To engage in research, development, and testing of new products designed to make single family and multifamily housing and residential health care facility credit available to hard-to-serve markets. (6) To establish uniformity in operations and risk management and loss mitigation in housing mortgage insurance and rural housing loan programs. (7) To administer the rural housing programs of the Rural Housing Service of the Department of Agriculture. 523. General powers To further the purposes of this subtitle, in accordance with chapter 91 of title 31 of the United States Code (relating to government corporations), the FHA— (1) may adopt, amend, and repeal by-laws, and other written administrative guidance; (2) may adopt, alter, and use a corporate seal, which shall be judicially noted; (3) may insure, and make commitments to insure mortgages, to the extent authorized under this title, and enhance and make commitments to otherwise enhance credit, and in providing such insurance may reinsure, advance, incur liabilities, pool loans, and risk share; (4) shall provide, among other mortgage insurance products, for the availability of a 30-year fixed-rate mortgage; (5) may acquire, hold, use, improve, deal in, or dispose of, by any means, any interests in any real property or any personal property