Section 13-7-309 - Forms of certificates of indebtedness(a) Certificates of indebtedness issued pursuant to the authority granted in this subchapter shall be in such form and denomination and shall have such dates of maturity and bear such interest rate or rates as the Historic Arkansas Museum Commission shall determine.(b) No certificates shall mature more than twenty (20) years from date of issue.(c) The certificates shall contain provision for their redemption in advance of their maturity at the option of the commission.Acts 1967, No. 76, § 4; A.S.A. 1947, § 8-109.