Any county board of supervisors or the governing authority of any municipality may, in carrying out or in furtherance of the provisions of Sections 41-7-111 through 41-7-149, or any program or plan adopted under such sections, as a part of any contribution, cash or otherwise, that may be required by such county or municipality, convey to any municipality, county or other political subdivision or agency of the state any property, real or personal, or any existing hospital facilities or other existing facilities suitable for hospital purposes owned by such county or municipality and not needed by it for governmental purposes. Such conveyance shall be upon such terms and conditions as may be agreed upon.