Mont. Code Ann. § 33-15-605
33-15-605 Protection of information
33-15-605 . Protection of information. An insurer delivering a notice or a document by electronic means shall take appropriate and necessary measures reasonably calculated to ensure that the system for furnishing the notices or documents:
(1) results in actual receipt of transmitted information; and
(2) protects the confidentiality of personal information as defined in 33-19-104 .