Indiana Code Title 32. Property § 32-17-14-22

Sec. 22. (a) Notwithstanding sections 9 and 20 of this chapter, a designated beneficiary's rights under this chapter are not extinguished when the designated beneficiary does not survive the owner if:

(b) If a designated beneficiary who is a lineal descendant of the owner:

the beneficiary's right to a transfer on death transfer belongs to the beneficiary's lineal descendants per stirpes who survive the owner unless the owner provides otherwise under subsection (c).

(c) An owner may execute a beneficiary designation to which subsection (b) does not apply by:

(d) An owner may execute a beneficiary designation that provides that the right to a transfer on death transfer belonging to a beneficiary who is not a lineal descendant of the owner and does not survive the owner belongs to the beneficiary's lineal descendants per stirpes who survive the owner.  An owner's intent to direct the transfer to the nonsurviving beneficiary's lineal descendants must be shown by either of the following on the beneficiary designation after the name of the beneficiary:

(e) When two (2) or more individuals receive a transfer on death transfer as substitute beneficiaries under subsection (b) or (d), the individuals are entitled to equal shares of the property if they are of the same degree of kinship to the nonsurviving beneficiary.  If the substitute beneficiaries are of unequal degrees of kinship, an individual of a more remote degree is entitled by representation to the share that would otherwise belong to the individual's parent.

(f) If:

the right to receive the property transferred belongs to the other surviving beneficiaries.  If no other beneficiary survives the owner, the property belongs to the owner's estate.