; (10) to establish a recordkeeping system that will maintain information to aid the reunification of every child separated from an apprehended parent or legal guardian; (11) to provide free telephone calls between apprehended parents and their children; and (12) to otherwise assist with the reunification of separated families. (c) Written notification Shortly after the guidance is published pursuant to subsection (a), the Secretary of Homeland Security, the Secretary of Health and Human Services, and the Attorney General shall provide each apprehended parent or legal guardian who has been separated from his or her children written notice, in English, Spanish, or another language understandable by the parent or legal guardian, upon request, of any guidance that may assist them in their efforts to locate and reunify with their children. (d) Reunification required The agencies shall ensure immediate reunification of children that remain separated from their apprehended parent or guardian. (e) Other requirements The agencies shall— (1) issue a privacy impact assessment related to the use of DNA testing under the section; and (2) establish a process for redressing violations of the requirements under this section. (f) Exemptions The agencies may not reunite an apprehended parent or legal guardian with a separated child under this section if— (1) the child has been determined to be a victim of trafficking, or is at significant risk of becoming a victim of trafficking, by that apprehended parent or guardian, as determined by a Chief Border Patrol Agent or Customs and Border Protection Area Port Director in their official and undelegated capacity; (2) the child appears to be in danger of abuse or neglect at the hands of the apprehended parent or legal guardian; (3) the child is a danger to himself, herself, or others, as determined by a State court or an official from a State or county child welfare agency in his or her official and undelegated capacity