§ 3-61. Bonds to be signed and contain statement that they conform to applicable provisions
Such notes or bonds so authorized shall be signed by the mayor and countersigned by the treasurer of said city, and if interest coupons are attached thereto, they shall be signed by the treasurer; and such bonds or notes shall contain a statement that they were issued for the purposes mentioned, and in conformity to the provisions of this charter; and such statement shall be conclusive evidence of the same and of the liability of the city to pay any such notes or bonds, in an action by a person who in good faith holds any such notes or bonds.