Mont. Code Ann. § 46-5-112

Electronic data privacy – warrant required – exceptions – admissibility

(1) Except as provided in subsection (2), a government entity may not obtain the stored data of an electronic device without a search warrant issued by a court upon a finding of probable cause.

(2) A government entity may obtain the stored data of an electronic device without a search warrant:

(a) with the consent of the owner or authorized user of the electronic device;

(b) for the electronic communications between a law enforcement officer using an undercover or fictitious identity for law enforcement purposes with the owner or authorized user of the electronic device;

(c) in accordance with judicially recognized exceptions to warrant requirements;

(d) if the owner has voluntarily and publicly disclosed the stored data;

(e) if the government entity, in good faith, believes that an emergency involving danger, death, or serious physical injury to a person requires immediate disclosure of communications relating to the emergency;

(f) in order to respond to the user's call for emergency services; or

(g) for any electronic devices found within the confines of a correctional facility.

(3) Any evidence obtained in violation of this section or 46-5-603 is not admissible in a civil, criminal, or administrative proceeding and may not be used in an affidavit of probable cause in an effort to obtain a search warrant.

(4) Nothing in 46-5-111 through 46-5-113 may be construed to limit a government entity's ability to use, maintain, or store information on its own electronic devices or to disseminate information stored on its own electronic devices.

(5) Sections 46-5-111 through 46-5-113 do not apply to motor carrier safety or hazardous materials programs implemented by the department of transportation for purposes of complying with federal motor carrier safety regulations.

History:
En. Sec. 2, Ch. 201, L. 2017 (HB 147 - Zolnikov, Daniel (R) HD 45)
Amd. Sec. 24, Ch. 339, L. 2021 (SB 344 - Bogner, Kenneth (R) SD 19)
Amd. Sec. 2, Ch. 382, L. 2025 (SB 282 - Emrich, Daniel (R) SD 11)