Indiana Code Title 32. Property § 32-26-1-15

Sec. 15. (a) If the board of directors finds that any lands that will be affected by the proposed work have been omitted from the assessment or that any mistake has occurred in the assessment, the board may order a supplemental assessment for the correction of mistakes.

(b) The owners of all lands directly affected by the supplemental assessment shall have notice of the time and place of making the supplemental assessment and of a time when and place where the owners may be heard regarding the supplemental assessment in the same manner as in respect to the original assessment.

(c) The supplemental assessment, when completed, shall be filed for record in the same manner as the original assessment.

(d) The supplemental assessment shall, from that date, be a lien on the lands described in the supplemental assessment in like manner as the original assessment.