Section 30-20-405 - Signatures on bonds(1) The bonds and any coupons bearing the signatures of officers in office on the date of the signing thereof shall be valid and binding obligations of the county, notwithstanding that before the delivery thereof and payment therefor any or all of the persons whose signatures appear thereon shall have ceased to be officers of the county issuing the same.(2) Any officer authorized or permitted to sign any bond or interest coupon, at the time of its execution and of the execution of a signature certificate, may adopt as and for his own facsimile signature the facsimile signature of his predecessor in office in the event that such facsimile signature appears upon the bond or coupons appertaining thereto, or upon both the bond and such coupons.L. 71: p. 359, § 1. C.R.S. 1963: § 36-29-5.