Chatbot Laws Which laws apply?

Maine / AI disclosure

LD 1727

An Act to Ensure Transparency in Consumer Transactions Involving Artificial Intelligence

In effectSince Sept. 24, 2025

Chatbot Laws · verified Oct. 21, 2026

A person may not use an AI chatbot or similar technology in trade and commerce in a way that could mislead a reasonable consumer into thinking they are talking to a human, unless the consumer gets a clear and conspicuous notice that it is not a human.

Who must comply

Any person using a chatbot or other computer technology in trade and commerce with a consumer. The act does not define 'person' or 'consumer'.

What it requires

AI disclosureChatbot use with a consumer must come with clear and conspicuous notice that the consumer is not engaging with a human whenever the use could mislead a reasonable consumer.When: Whenever use could mislead a reasonable consumer; no set interval§ 1500-DD(2)

Enforcement

Enforced byRemedies of the Maine Unfair Trade Practices Act§ 1500-DD(3)
Private lawsuitsNot stated
PenaltiesA violation is a violation of the Maine Unfair Trade Practices Act; the act sets no separate penalty amount.

Key dates

  1. Chatbot disclosure duty in trade and commerce takes effect

Related laws

  • Maine LD 2082AI in mental health services
    In effect since July 29, 2026

Sources

  1. Maine Legislature LD 1727 page Supports: enactment and signing June 12, 2025, Chapter 294.
  2. Chaptered law, P.L. 2025 c. 294 Supports: text of § 1500-Y.
  3. Maine Legislative Digest, 132nd First Regular and First Special Sessions Supports: non-emergency laws of the First Special Session take effect Sept 24, 2025; enacted law summary of P.L. 2025 c. 294.
  4. 10 M.R.S. § 1500-DD Supports: Current section number and text.

Questions

When does Maine LD 1727 take effect?

September 24, 2025: Chatbot disclosure duty in trade and commerce takes effect. It is in effect as of November 4, 2026.

Who does Maine LD 1727 apply to?

Any person using a chatbot or other computer technology in trade and commerce with a consumer. The act does not define 'person' or 'consumer'.

Who enforces Maine LD 1727?

Remedies of the Maine Unfair Trade Practices Act. Penalties: A violation is a violation of the Maine Unfair Trade Practices Act; the act sets no separate penalty amount.