Sec. Sec. 216.15 Other exceptions to notice and opt out requirements.
(a) Exceptions to opt out requirements. The requirements for initial notice to consumers in � 216.4(a)(2), the opt out in �� 216.7 and 216.10, and service providers and joint marketing in � 216.13 do not apply when you disclose nonpublic personal information:
(2) (iv) To persons holding a legal or beneficial interest relating to the consumer.
Other exceptions to notice and opt out requirements.
(a) Exceptions to opt out requirements. The requirements for initial notice to consumers in � 216.4(a)(2), the opt out in �� 216.7 and 216.10, and service providers and joint marketing in � 216.13 do not apply when you disclose nonpublic personal information:
(2) (iv) To persons holding a legal or beneficial interest relating to the consumer.
However, this appears to be a business purpose loan which is not a covered transaction. My advice is to speak with the bank's council before releasing the information as the last question implies this may be a legal matter between the inquirer and their former spouse.
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The opinions expressed are mine and they are not to be taken as legal advice.