Ind. Code § 6-1.1-24.5-2
(a) After the county treasurer certifies the tracts or items of real property as eligible for tax sale under IC 6-1.1-24-1 , if the county executive reasonably believes that:
(1) ten (10) or more of the tracts or items of real property that appear as eligible for tax sale are owned by:
(2) the tracts or items of real property identified in subdivision (1) were acquired in a previous tax sale under IC 6-1.1-24 ;
the county executive may petition the court for a finding that serial tax delinquencies exist with respect to the tracts or items of real property identified in subdivision (1).
As added by P.L.236-2015, SEC.3. Amended by P.L.183-2016, SEC.1.