A. The bonds shall be signed by the chairman or president of the board, attested by the clerk or secretary and sealed with the corporate seal of the district, and the interest coupons, if any, shall bear the facsimile signature of the chairman and secretary of the district.
B. The bonds shall be substantially in the following form:
_________________________ flood protection district of _________________________ improvement bond.
It is hereby certified and declared that the improvement for which this series of bonds is issued is authorized by law, that all the acts, conditions and things required to be done, precedent to and in the issuing of this series of bonds, have been done or will be done, and performed in regular and due form as required by the law of this state and all resolutions of the flood protection district, that the special assessments out of which such bonds are to be paid are first liens on the property assessed, subject only to the lien for general taxes and prior special assessments, and any bona fide purchaser for value of this bond has the right to rely on the recitals contained in the bond. For the assessment or reassessment, collection and payment of such special assessments, the full faith and diligence of such flood protection district are hereby irrevocably pledged.