Establishes the Biometric Privacy Act as a new article 32-A of the New York General Business Law, imposing obligations on private entities that possess, collect, or handle biometric identifiers or biometric information. Requires written notice, disclosure of purpose and retention period, and written consent before collecting biometric identifiers. Prohibits sale, lease, or trade of biometric data and restricts disclosure except in narrow circumstances (consent, financial transaction completion, legal requirement, or valid warrant). Mandates a publicly available written retention and destruction policy with a maximum retention period of three years from the individual's last interaction. Enforced exclusively by the Attorney General with civil penalties of up to $20,000 per violation, restitution, disgorgement, and injunctive relief. Exempts government agencies, HIPAA-covered health care data, and financial institutions subject to the Gramm-Leach-Bliley Act.