INTEREST AND SINKING FUND.
Tex. PARKS & WILD Code § 21.105.
in effectThe Texas park development bonds interest and sinking fund, referred to as the "interest and sinking fund," is created to be used exclusively for:
(1) paying the principal of Texas Park Development Bonds as they mature;
(2) paying the interest on the bonds as it comes due; and
(3) paying exchange and collection charges in connection with the bonds.