Okla. Stat. tit. 62, § 62-586: Authorized signatures to remain valid - Adoption of

predecessor's signature.

A. Any certificated registered public obligation signed by the

authorized officers at the time of the signing thereof shall remain

valid and binding, notwithstanding that before the issuance thereof

any or all of such officers shall have ceased to fill their

respective offices.

B. Any authorized officer empowered to sign any certificated

registered public obligation may adopt as and for the signature of

such officer the signature of a predecessor in office in the event

that such predecessor's signature appears on such certificated

registered public obligation. An authorized officer incurs no

liability by adoption of a predecessor's signature that would not be

incurred by such authorized officer if the signature were that of

such authorized officer.