; (B) the least intrusive means of serving such purpose; and (C) cost effective; (2) guidelines are developed for using such technology to ensure appropriate limits on data collection, processing, sharing, and retention; and (3) the Department of Homeland Security has consulted with stakeholders, including affected border communities, in the development of any plans to expand technology. 2304. Training and continuing education (a) Mandatory training and continuing education To promote agent and officer safety and professionalism The Secretary is authorized to establish policies and guidelines to ensure that every agent and officer of U.S. Customs and Border Protection and U.S. Immigration and Customs Enforcement receives training upon onboarding regarding accountability, standards for professional and ethical conduct, and oversight. (b) Curriculum The training required under subsection (a) shall include— (1) best practices in community policing, cultural awareness, and carrying out enforcement actions near sensitive locations, responding to grievances, and how to refer complaints to the Immigration Detention Ombudsman; (2) interaction with vulnerable populations; and (3) standards of professional and ethical conduct. (c) Continuing education (1) In general The Secretary shall require all agents and officers of U.S. Customs and Border Protection and U.S. Immigration and Customs Enforcement who are required to undergo training under subsection (a) to participate in continuing education. (2) Constitutional authority subject matter Continuing education required under paragraph (1) shall include training regarding— (A) the protection of the civil, constitutional, human, and privacy rights of individuals