Notwithstanding any requirement of law to the contrary, or the absence of direct provision therefor in the instrument under which a fiduciary is acting, every executor, administrator, trustee, guardian or any other person, holding trust funds or acting in a fiduciary capacity, unless the instrument under which such fiduciary is acting expressly forbids, also the state, its subdivisions, cities, all other public bodies, all public officers, corporations, organized under or subject to the provisions of the banking law (including savings banks, savings and loan associations, trust companies, private bankers and private banking corporations), the state director of finance as conservator, liquidator or rehabilitator of any such person, partnership or corporation, person, partnership and corporations organized under or subject to the provisions of the insurance law, the director of the department of commerce and insurance as conservator, liquidator, or rehabilitator of any such person, partnership or corporation, any of which owns or holds any real property within any blighted area proposed to be cleared or redeveloped by an urban redevelopment corporation, may grant, sell, lease or otherwise transfer any such real property to an urban redevelopment corporation, and receive and hold any cash, mortgages, or other securities or obligations exchanged therefor by such urban redevelopment corporations, and may execute such instruments and do such acts as may be deemed necessary or desirable by them or it and by the urban redevelopment corporations in connection with the development and any development plan.