Section 26-26 Same--Evidence of amount of tax due.

In all suits upon the bonds required by section 26-29, a certified copy of the statement hereinbefore required to be filed in the office of the city assessor shall be evidence of the amount of taxes due from the person filing the same; but the plaintiff in the action may show, by competent testimony, that such statement does not contain the full amount of taxable property it should have contained.