Ind. Code § 36-2-3-4.5
(a) If any territory in any county is not included in one (1) of the districts established under section 4 of this chapter, the territory is included in the district that:
(b) If any territory in any county is included in more than one (1) of the districts established under section 4 of this chapter, the territory is included in the district that:
As added by P.L.3-1993, SEC.258.