California
Business and Professions Code – BPC § 25660
(a) Bona fide evidence of majority and identity of the person is any of the following:
(1) A document issued by a federal, state, county, or municipal government, or subdivision or agency thereof, including, but not limited to, a valid motor vehicle operator’s license, that contains the name, date of birth, description, and picture of the person.
(2) A valid passport issued by the United States or by a foreign government.
(3) A valid identification card issued to a member of the Armed Forces that includes a date of birth and a picture of the person.
(b) Proof that the defendant-licensee, or his or her employee or agent, demanded, was shown, and acted in reliance upon bona fide evidence in any transaction, employment, use, or permission forbidden by Section 25658 , 25663 , or 25665 shall be a defense to any criminal prosecution therefor or to any proceedings for the suspension or revocation of any license based thereon.