Iowa Code
Chapter 76 - PROVISIONS RELATED TO PUBLIC BONDS AND DEBT OBLIGATIONS
Section 76.12 - Reproduction and validity of signatures.

76.12 Reproduction and validity of signatures.
1. A provision requiring that public bonds or obligations or certificates of ownership of public bonds or obligations issued by a public entity be executed or signed by particular public officers permits the signatures to be affixed by printing or other mechanical means. However, each instrument shall bear at least one original and manual signature, which may be the signature of any officer designated by law to execute the instrument or the signature of a registrar or trustee authenticating the instrument.
2. Public bonds and obligations are valid and binding if they bear the signature of the officials in office on the date of execution of the bonds, notwithstanding that any or all of the persons whose signatures appear on the public bonds or obligations have ceased to hold the office before the delivery of the public bonds or obligations. Reprinted or reissued bonds are valid and binding if they bear facsimiles of the signatures of either the public officials who executed the original issue of the bonds or the officials in office at the time of execution of the reprinted or reissued bonds.
83 Acts, ch 90, §4

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