Maryland, United StatesSigned into law (May 2024); effective Oct 1, 2025

Maryland Online Data Privacy Act of 2024 (MD ODPA)

Comprehensive consumer-privacy statute built around a strict data-minimization model — one of the most protective in the US. Bans sale of sensitive personal data, bars targeted advertising to known minors under 18, and limits data collection to what is reasonably necessary to deliver the product or service.

Key Provisions

What MD ODPA requires

01

Data minimization: collection limited to what is reasonably necessary for the specific requested product or service

02

Ban on the sale of sensitive personal data (including data of known minors)

03

Prohibits targeted advertising to consumers known to be under 18

04

Bars processing children's data beyond what is necessary to provide the service

05

Restrictions on third-party tracking and data-broker sharing

06

Enforcement by the Maryland AG

Rule Categories Covered

Phosra enforcement categories for MD ODPA

Data Minimization Enforce

other
data_minimization_enforce

Enforces data minimization enforce rules across connected platforms.

Commercial Data Ban

other
commercial_data_ban

Enforces commercial data ban rules across connected platforms.

Targeted Ad Block

advertising
targeted_ad_block

Blocks behavioral advertising, ad profiling, and retargeting for minor users across connected platforms.

Third Party Tracker Block

other
third_party_tracker_block

Enforces third party tracker block rules across connected platforms.

Platforms Affected

Platforms covered by MD ODPA

all
Age: Under 18Effective: Oct 1, 2025

MCP Enforcement

Enforce MD ODPA with a single API call

mcp-enforcement
// Enforce MD ODPA compliance
tool: trigger_child_enforcement
input: {
  child_id: "ch_emma_01",
  law: "MD_ODPA",
  rules: [
          "data_minimization_enforce",
          "commercial_data_ban",
          "targeted_ad_block",
          "third_party_tracker_block"]
}

→ all          enforcement applied     ✓

Start building MD ODPA-compliant features today

Phosra handles the complexity of multi-platform compliance so you can focus on building great products for families.

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