Indiana Code Title 28. Financial Institutions § 28-7-1-26.5

(1) is uncertain under the agreement governing the account of who is entitled to receive the payment;  or

(2) has actual knowledge of a dispute between any account owners, beneficiaries with present vested rights in the account, or other persons concerning ownership of the money in the account, the proposed withdrawal, or any previous withdrawals from the account.

(1) shall notify, in writing, the account owners, beneficiaries with present vested rights in the account, and other persons claiming an interest in the account of the basis for the credit union's refusal;  and

(2) may refuse to make the payment until all interested parties consent in writing to the requested payment or a court with jurisdiction orders the credit union to make the payment.