Section 88.45 - Procedure upon discovering omitted assessments(1) Upon learning of an omission to assess benefits or to assess costs or to award damages to any lands in a district, the board shall issue an order making the assessments or awards that the board considers just.(2) No omission to assess benefits or to assess for costs or to award damages to any lands in a district renders any assessment in the district voidable.(3) This section is retroactive.