EffectiveMontana

Montana Consumer Data Privacy Act

Data last verified: March 23, 2026

Effective Date
October 1, 2024
Enforcement Date
Not specified in statute

Summary

Montana Consumer Data Privacy Act provides consumers the right to opt out of profiling for significant decisions and requires data protection assessments. Note: SB 163 (eff. Oct 1, 2025) separately adds neural data protections under the Montana Genetic Information Privacy Act — see Phase 1 for separate entry.

Who It Applies To

25,000 consumers OR 15,000 consumers + 25% revenue from data sales

Min Consumers:
25,000

Any threshold triggers applicability

Penalties

Penalty Range
$0 – $7,500per violation
Cure Period
30-day cure period
Private Right of Action
No private right of action
Enforcement Body
Montana Attorney General

Requirements (2)

  • Opt-Out§ 30-14-2808(1)(e)(iii)

    This law provides consumers the right to opt out of profiling in furtherance of decisions that produce legal or similarly significant effects.

  • Impact Assessment§ 30-14-2814

    This law requires controllers to conduct data protection assessments for processing activities involving profiling, targeted advertising, sale of personal data, or sensitive data.

Claire tracks 31 state and local AI laws across 23 US states. No prescriptive federal AI compliance statutes have been enacted. EU AI Act and sector-specific regulations are not covered.

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