; and (2) require border enforcement personnel to undertake periodic and continuing training on best practices and changes in relevant legal authorities, policies, and procedures pertaining to the preservation of a child’s best interest, family unity, and other public interest factors, including those described in this Act. (d) Annual report on the impact of migration deterrence programs at the border (1) Requirement for annual report Not later than one year after the date of the enactment of this Act and annually thereafter, the Secretary of Homeland Security shall submit to Congress a report that describes the impact of migration deterrence programs on parents, legal guardians, primary caregivers of a child, individuals traveling with a spouse or child, and individuals who present humanitarian considerations or concerns related to the individual’s physical safety. (2) Contents Each report submitted under paragraph (1) shall include for the previous one-year period an assessment of the following: (A) The number of apprehended individuals removed, repatriated, or referred for prosecution who are the parent, legal guardian, or primary caregiver of a child who is a citizen of the United States. (B) The number of occasions in which both parents, or the primary caretaker of such a child was removed, repatriated, or referred for prosecution as part of a migration deterrence program. (C) The number of apprehended individuals traveling with close family members who are removed, repatriated, or referred for prosecution. (D) The impact of migration deterrence programs on public interest factors, including humanitarian concerns and physical safety. (e) Regulations Not later than 120 days after the date of the enactment of this Act, the Secretary of Homeland Security shall promulgate regulations to implement this section. 18. Prohibition on new land border crossing fees (a) In general Beginning on the date of the enactment of this Act, the Secretary of Homeland Security may not— (1) establish, collect, or otherwise impose