All money received by the authority, whether as proceeds from the sale of bonds, from revenue, or otherwise, shall be deemed to be trust funds to be held and applied solely as provided in the Nebraska Educational, Health, Cultural, and Social Services Finance Authority Act but, prior to the time when needed for use, may be invested in direct and general obligations of or obligations fully and unconditionally guaranteed by the United States of America, obligations issued by agencies of the United States of America, any obligations of the United States of America or agencies thereof, obligations of this state, or any obligations or securities which may from time to time be legally purchased by governmental subdivisions of this state pursuant to subsection (1) of section 77-2341, except that any funds pledged to secure a bond issue shall be invested in the manner permitted by the resolution or trust indenture securing such bonds. Such funds shall be deposited as soon as practical in a separate account or accounts in banks or trust companies organized under the laws of this state or in national banking associations. The money in such accounts shall be paid out on checks signed by the executive director or other officers or employees of the authority as the authority authorizes. All deposits of money shall, if required by the authority, be secured in such a manner as the authority determines to be prudent, and all banks or trust companies may give security for the deposits, except to the extent provided otherwise in the resolution authorizing the issuance of the related bonds or in the trust indenture securing such bonds. The resolution authorizing the issuance of such bonds or the trust indenture securing such bonds shall provide that any officer to whom or any bank or trust company to which such money is entrusted shall act as trustee of such money and shall hold and apply the same for the purposes of the Nebraska Educational, Health, Cultural, and Social Services Finance Authority Act, subject to the act, and of the authorizing resolution or trust indenture.