; and (B) an individual with an advanced degree in pediatric medicine on the faculty of an institution of higher education in the United States. (b) Guidelines The Secretary of Homeland Security, in consultation with the Secretary of Health and Human Services, experts in child development, experts in child welfare, and experts in pediatric medicine, shall develop guidelines for the treatment of children in the custody of the Commissioner of U.S. Customs and Border Protection. (c) Mandatory training The Secretary of Homeland Security, in consultation with the Secretary of Health and Human Services, shall— (1) require all U.S. Customs and Border Protection personnel, and cooperating entity personnel, who have contact with a child at a port of entry or Border Patrol station to undergo appropriate training, which shall include live training, on— (A) the applicable legal authorities, policies, practices, and procedures relating to children; and (B) child-friendly interviewing techniques, child development, trauma, and the manner in which trauma affects the health and behavior of children; and (2) require U.S. Customs and Border Protection personnel, not less frequently than annually, to undertake continuing training on— (A) identifying and responding to common signs and symptoms of medical distress in children; (B) best practices with respect to the guidelines developed under subsection (b)