Ind. Code § 28-5-3-1
All persons, regardless of age, may become purchasers of instalment or fully paid certificates of investment or indebtedness issued by any industrial loan and investment company organized under the laws of this state. When any such certificate of investment or indebtedness is purchased by or in the name of a person under the age of eighteen (18) years any such certificate of investment or indebtedness or interest credited in respect thereto may be paid to, redeemed or withdrawn by such person by check, endorsement receipt or other written instrument, which check, endorsement receipt or other instrument in writing shall constitute a receipt or acquittance, if the same is signed by such person, and shall be a valid release and discharge to the industrial loan and investment company for all payments, redemptions or withdrawals so made to the same extent as if such person were eighteen (18) years of age.
IC 28-5-3-1