(1) The board may, not more often than one (1) time a year, require the assessor to reassess the benefits in the district. However, in the event the district shall have incurred any indebtedness or issued bonds, the total amount of assessed benefits shall never be diminished.
(2) The reassessment shall be made, advertised, and equalized in the same manner as provided in this subchapter for making the original assessment.