Ark. Code Ann. § 23-47-905

Notice to a bank of an adverse claim to the contents of a safe-deposit box shall not be sufficient to require the bank to deny access to its lessee unless the adverse claimant also procures a restraining order, injunction, or other process, which has become final and not further appealable, issued in an action by a court of competent jurisdiction in which the lessee is served with process and named as a party.