Texas § PE.8.03 - MISTAKE OF LAW
Full text of Texas The Texas Constitution § PE.8.03 — MISTAKE OF LAW, with citation guidance and answers to common questions.
§ PE.8.03. MISTAKE OF LAW
MISTAKE OF LAW. (a) It is no defense to prosecution that the actor was ignorant of the provisions of any law after the law has taken effect. (b) It is an affirmative defense to prosecution that the actor reasonably believed the conduct charged did not constitute a crime and that he acted in reasonable reliance upon: (1) an official statement of the law contained in a written order or grant of permission by an administrative agency charged by law with responsibility for interpreting the law in question; or (2) a written interpretation of the law contained in an opinion of a court of record or made by a public official charged by law with responsibility for interpreting the law in question. (c) Although an actor's mistake of law may constitute a defense to the offense charged, he may nevertheless be convicted of a lesser included offense of which he would be guilty if the law were as he believed. Acts 1973, 63rd Leg., p. 883, ch. 399, Sec. 1, eff. Jan. 1, 1974. Amended by Acts 1993, 73rd Leg., ch. 900, Sec. 1.01, eff. Sept. 1, 1994.
Source: official Texas text · Last verified 2026-08-27
Frequently Asked Questions About Texas § PE.8.03
What does The Texas Constitution § PE.8.03 cover?
Section PE.8.03 ("MISTAKE OF LAW") is part of the The Texas Constitution, the codified statutory law of Texas. It sets out the legal rule or procedure described in the text above. Statutes are amended regularly, so always verify against the official source.
How do I cite Texas § PE.8.03?
A common citation format is "The Texas Constitution § PE.8.03" (Texas). Legal writing may require the code abbreviation, section number, and year or edition. Match the style required by your court, professor, or publisher.
Is this the official text of Texas law?
No. This page is for research and education and may not include the most recent amendments. For official current law, check the Texas official source linked on this page or consult a licensed Texas attorney.
How does Texas § PE.8.03 apply to my situation?
Statutes are interpreted in context, and application depends on your specific facts. Only a licensed attorney in Texas can advise on how this section applies to you. Contact your state or local bar association for a referral.
Sources & Verification
Not legal advice. Verify against the official source and consult a licensed attorney in Texas.