Mont. Code Ann. § 72-31-410
72-31-410 Disclosure of digital assets held in trust when trustee is original user
72-31-410 . Disclosure of digital assets held in trust when trustee is original user. Unless otherwise ordered by the court or provided in a trust, a custodian shall disclose to a trustee that is an original user of an account any digital asset of the account held in trust, including a catalogue of electronic communications of the trustee and the content of electronic communications.