Ind. Code § 30-4-2.1-5
(a) Except as provided in subsection (b), if, at the time of the making of the trust, the settlor:
(2) fails to provide for the child in the settlor's trust;
the child is entitled to receive a share in the trust assets. The child's share of the trust assets shall be determined by ascertaining what the child's intestate share would have been under IC 29-1-2-1 if the settlor had died intestate. The child is entitled to receive a share of the trust assets equivalent in value to the intestacy share determined under IC 29-1-2-1 .
As added by P.L.4-2003, SEC.7.