(o) The authority is authorized and empowered, from time to time, for the purposes and upon the findings set forth in section 8-242, to issue bonds, notes or other obligations the interest on which may be includable under the Internal Revenue Code of 1986 or any subsequent corresponding internal revenue code of the United States, as from time to time amended, in the gross income of the holder or holders of such bonds, notes or other obligations to the same extent and in the same manner that interest on bills, bonds, notes or other obligations of the United States is includable in the gross income of the holders or holders thereof under said Internal Revenue Code; the state hereby consents to such inclusion only for the bonds, notes and other obligations of the authority authorized by this subsection. Such taxable bonds, notes or other obligations of the authority may be issued pursuant to this subsection by the authority for the purpose of financing the purchase, construction, rehabilitation or refinancing of new or existing multifamily rental developments and common interest ownership communities or land, upon a finding and determination by the board of directors, based on reasonable information, that such financing or refinancing is not readily available and that it is appropriate and in the public interest.