Tex. Health and Safety Code § 223.029

(a) The proceeds of the bonds may be:

(1) used only for the payment of hospital project costs for which the bonds are issued; and

(2) disbursed in the manner and subject to the restrictions provided in the resolution authorizing the issuance or in the trust agreement securing the bonds.

(b) The issuer shall be paid, from the proceeds of its bonds, money in the amount equal to:

(1) the issuer's actual expenditures for financing, legal, printing, and other expenses incurred in issuing, selling, and delivering the bonds; and

(2) the compensation paid to the issuer's employees for the time the employees spent on activities related to the issuance, sale, and delivery of the bonds.

(c) If the amount of proceeds exceeds the cost of the hospital project for which the bonds are issued, the excess shall be deposited to the credit of the sinking fund for the bonds.

(d) The governing body of the issuer may provide for a bond reserve fund in the resolution authorizing the bonds or an instrument securing the bonds and may set aside amounts from the proceeds for payments into the reserve fund.

(e) Proceeds from the sale of bonds may be invested in:

(1) direct, indirect, or guaranteed obligations of the United States that mature in a manner specified by the resolution authorizing the bonds or another instrument securing the bonds; or

(2) certificates of deposit of a bank or trust company if the deposits are secured by obligations described by Subdivision (1).

(f) The issuer's governing body may designate a trust company or a bank with trust powers to act as depository for proceeds of bonds or revenues from a lease or other contract. The bank or trust company shall furnish indemnifying bonds or pledge securities as required by the issuer to secure the deposits.