Ind. Code § 6-1.1-52-10
(b) Subject to subsection (c), a deferral termination event occurs on the earlier of the following dates:
(1) The first date on which the qualified individual who had a qualified interest in the homestead when the property taxes were deferred:
(c) This subsection applies only to a surviving spouse who was not a qualified individual on the date on which property taxes were deferred. If a deceased individual was a qualified individual on the date on which property taxes were deferred, the deceased individual's surviving spouse shall be treated after the deceased individual's death as if the surviving spouse had been a qualified individual on the date on which property taxes were deferred if:
(2) the surviving spouse has a qualified interest in the homestead not later than the later of:
As added by P.L.68-2025, SEC.85.