Ark. Code Ann. § 27-90-209: Execution

(a) Bonds shall be executed by the manual or facsimile signatures of the chair of the State Highway Commission and the secretary of the commission or otherwise as specified in the resolution authorizing the bonds.

(b) In case any of the officers or the secretary whose signatures appear on the bonds or coupons shall cease to be officers or the secretary before the delivery date of the bonds, their signatures nevertheless shall be valid and sufficient for all purposes.