; (15) may— (A) accept and use voluntary and uncompensated services and accept, hold, administer, and use gifts and bequests of property, both real and personal, for the purpose of aiding or facilitating the work of the FHA, and (B) hold gifts and bequests of money and the proceeds from sales of other property received as gifts or bequests in a separate account, and such amounts shall be disbursed as provided by the FHA; except that property accepted pursuant to this paragraph, and the proceeds thereof, shall be used as nearly as possible in accordance with the terms of the gift or bequest and, for the purpose of Federal income, estate, and gift taxes, property accepted under this paragraph shall be considered as a gift or bequest to or for the use of the United States; (16) shall have any transaction in which it participates be exempt from the terms of any State or other law or prohibition against payment of usurious interest; (17) may act as a fiduciary in connection with any of its undertakings; (18) may foreclose any single family mortgages held by the FHA pursuant to the same procedures and authority applicable to the Secretary of Housing and Urban Development under the Single Family Mortgage Foreclosure Act of 1994; (19) may foreclose any multifamily housing mortgages held by the FHA pursuant to the same procedures and authority applicable to the Secretary of Housing and Urban Development under the Multifamily Mortgage Foreclosure Act of 1981; (20) may foreclose mortgages pursuant to the same procedures and authority applicable to the Secretary of Agriculture under the Housing Act of 1949; (21) shall have the priority of the United States with respect to the payment of debts out of bankrupt, insolvent, and decedents’ estates; (22) may invest in the development of acquisition of systems, technology, or other capital resources, to enhance its ability to carry out the purposes of this title