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Maryland Kids Code

In force Maryland · In force Oct 1, 2024 · no upcoming deadlines

Deadlines

DateWhat happens
Apr 1, 20265 months agoData protection impact assessments due
Oct 1, 20241 year agoTakes effect
May 9, 20242 years agoApproved by Governor

Summaries for reference, not legal advice. Check the official text.

What it does

Online products reasonably likely to be accessed by children must be designed in the best interests of children, use high-privacy defaults and avoid certain data collection and profiling. Covered entities must complete data protection impact assessments.

Who it applies to
Businesses offering online products reasonably likely to be accessed by children under 18 in Maryland that meet the Maryland business thresholds.
Penalties
Civil penalties enforced by the AG; see statute.
Enforced by
Maryland Attorney General (Consumer Protection Division)
Official name
Maryland Age-Appropriate Design Code Act (Maryland Kids Code, HB 603)
Citation
2024 Md. Laws ch. 461
Topics
children, privacy, online-safety
Verified 2026-09-25
Research notes

Challenged in NetChoice v. Brown (D. Md., No. 1:25-cv-00322); case in discovery as of a 2026-09-23 order.

Related

Questions about Maryland Kids Code
What are the Maryland Kids Code compliance deadlines?
May 9, 2024: Approved by Governor. Oct 1, 2024: Takes effect. Apr 1, 2026: Data protection impact assessments due.
When does Maryland Kids Code take effect?
Maryland Kids Code took effect on Oct 1, 2024.
Who does Maryland Kids Code apply to?
Businesses offering online products reasonably likely to be accessed by children under 18 in Maryland that meet the Maryland business thresholds.
What are the penalties under Maryland Kids Code?
Civil penalties enforced by the AG; see statute.

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