Regulations library · US states
MCDPA
Montana Consumer Data Privacy Act
In force Montana privacy consumer rights
Virginia-style law with relatively low thresholds, reflecting the state's population.
At a glance
- Who it applies to
- Businesses that process personal data of the state's residents above the law's thresholds. Thresholds, exemptions and sensitive-data rules differ by state.
- Who enforces it
- State Attorney General
- When
- In effect since 1 October 2024.
This is a reference entry. The priority laws get a full practical guide first.
Recent developments
Nothing reported yet. Regulatory Watch lists new rules, enforcement and court decisions as they arrive.
Sources
- All of the comprehensive privacy laws that take effect in 2026 MultiState · Law firm or analyst
- US state privacy laws comparison (24 enacted laws, effective dates) Recording Law · Law firm or analyst
Dates and status checked against these sources on 27 September 2026. This page explains the law for practitioners; it is not legal advice.