159.37 Trust funds.—Notwithstanding any other provisions of law to the contrary, all money received pursuant to the provisions of this part, whether as proceeds from the sale of bonds, sale of property, insurance, or condemnation awards, or as revenues, shall be deemed to be trust funds to be held and applied solely as provided in this part. The resolution authorizing the bonds of any issue or the trust agreement securing such bonds may provide that any of such moneys may be temporarily invested pending the disbursement thereof and shall provide that any officer with whom, or any bank or trust company with which, such moneys shall be deposited shall act as trustee of such moneys and shall hold and apply the same for the purposes hereof, subject to such regulations as this part and such resolution or trust agreement may provide.