Unless otherwise represented, a minor, an incompetent, unborn, or unascertained person, or a remote contingent beneficiary may be represented by and bound by another person having a substantially identical interest with respect to the fiduciary matter but only to the extent that the person's interest is adequately represented.
Iowa Code § 633A.6304
99 Acts, ch 125, §99, 109 2005 Acts, ch 38, §54 2022 Acts, ch 1084, §5