Regulations library · US states
MODPA
Maryland Online Data Privacy Act
In force Maryland privacy consumer rights
The strictest state law on data minimization: collection must be reasonably necessary for the service, and selling sensitive data is prohibited.
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 2025.
A practical guide to this law, with scenarios and flashcards, is being written. The summary above is the reference entry.
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.