MT SB453

Establishes that electronic data created by or on behalf of Montana residents is the personal property of that individual, with any entity possessing such data holding it in trust for the owner

Prohibits the sale of a Montana resident's electronic data to third parties, including the federal government, without the individual's express consent, and requires sellers to provide actual consideration reasonably related to the data's value

Bars disclosure of electronic data to the federal government except in response to a court-issued subpoena, search warrant, or to comply with federal law, with notice required to the data owner (notice may be delayed up to 1 year under certain court orders)

Prohibits contracts of adhesion from requiring residents to forfeit, donate, or accept nominal consideration for their electronic data, or conditioning product/service use on such terms

Creates private right of action for individuals whose data is improperly sold or disclosed, with available remedies including damages, equitable relief, and attorney fees; also authorizes enforcement by the attorney general or county attorneys