Iowa Code § 123.82

A proceeding to forfeit an abatement bond shall be commenced by filing with the clerk of the court, by the county attorney of the county where the bond is filed, an application under oath to forfeit such bond, setting out the alleged facts constituting the violation of the terms of the bond, upon which the court shall direct by order attached to such application that a notice be issued by the clerk of the district court directed to the principal and sureties on the bond to appear at a certain date fixed to show cause why such bond should not be forfeited and judgment entered for the penalty fixed therein.