; (2) the U.S. Immigration and Customs Enforcement’s alternatives to detention programs use escalation and de-escalation techniques; and (3) reports on the use of, and policies with respect to, such escalation and de-escalation techniques are provided to the public appropriately protecting sensitive information. (b) Annual policy review (1) In general Not less frequently than annually, the Director shall conduct a review of U.S. Immigration and Customs Enforcement policies with respect to the alternatives to detention programs so as to ensure standardization and evidence-based decision making. (2) Submission of policy reviews Not later than 14 days after the completion of each review required by paragraph (1), the Director shall submit to the appropriate committees of Congress a report on the results of the review. (c) Independent verification and validation Not less frequently than every 5 years, the Director shall ensure that an independent verification and validation of U.S. Immigration and Customs Enforcement policies with respect to the alternatives to detention programs is conducted. 122. Training for U.S. Border Patrol (a) In general The Commissioner of U.S. Customs and Border Protection shall require all U.S. Border Patrol agents and other employees or contracted employees designated by the Commissioner to participate in annual continuing training to maintain and update their understanding of— (1) Department of Homeland Security policies, procedures, and guidelines; (2) the fundamentals of law (including the Fourth Amendment to the Constitution of the United States), ethics, and professional conduct; (3) applicable Federal law and regulations; (4) applicable migration trends that the Commissioner determines are relevant; (5) best practices for coordinating with community stakeholders; (6) de-escalation training