Minn. Stat. § 336.9-342: BANK'S RIGHT TO REFUSE TO ENTER INTO OR DISCLOSE EXISTENCE OF CONTROL AGREEMENT.

This article does not require a bank to enter into an agreement of the kind described in section 336.9-104(a)(2), even if its customer so requests or directs. A bank that has entered into such an agreement is not required to confirm the existence of the agreement to another person unless requested to do so by its customer.