Indiana Code Title 32. Property § 32-17-8-3

(1) when the interest is created, the interest is certain to vest or terminate not later than twenty-one (21) years after the death of an individual then alive;  or

(2) the interest either vests or terminates within three hundred sixty (360) years after the interest's creation, unless the terms of the trust require that all beneficial interests in the trust vest or terminate within a lesser period of time.

(1) when the power is created, the condition precedent is certain to be satisfied or become impossible to satisfy not later than twenty-one (21) years after the death of an individual then alive;  or

(2) the condition precedent either is satisfied or becomes impossible to satisfy within three hundred sixty (360) years after the condition precedent's creation, unless the terms of the trust require that all beneficial interests in the trust vest or terminate within a lesser period of time.

(1) when the power is created, the power is certain to be irrevocably exercised or otherwise to terminate not later than twenty-one (21) years after the death of an individual then alive;  or

(2) the power is irrevocably exercised or otherwise terminates within three hundred sixty (360) years after the power's creation, unless the terms of the trust require that all beneficial interests in the trust vest or terminate within a lesser period of time.