Existing law, the Alcoholic Beverage Control Act, makes it a misdemeanor for any person under 21 years of age to purchase any alcoholic beverage or consume any alcoholic beverage in any on‑sale premises. The act also subjects a holder of a license to sell alcoholic beverages to criminal prosecution and suspension or revocation of that license if the licensee sells any alcoholic beverages to any person under 21 years of age. Existing law provides that a licensee's acceptance of bona fide evidence, as defined, constitutes a defense to any prosecution or proceedings against the licensee, as specified. This bill would also make reliance upon a system that reviews bona fide evidence of majority and biometrics to determine the age and identity of a person before admittance into a premises where alcoholic beverages may be lawfully purchased a defense to any criminal prosecution or proceedings against the licensee, as specified.