; (2) transferred to, or detained in, a detention facility; or (3) removed from the United States. (g) Information collected and maintained regarding aliens in DHS custody The Secretary shall collect and maintain, for each alien in the custody of the Department, the following information: (1) The gender and age of the alien. (2) The date on which the alien was taken into such custody. (3) The country of nationality of the alien. (4) Whether the alien is considered a vulnerable person (as such term is defined in section 236(c)(5) of the Immigration and Nationality Act, as amended by section 9) or a primary caregiver. (5) The provision of law pursuant to which the Secretary is authorized to detain the alien. (6) The name of the facility in which the alien is detained. (7) With respect to any transfer of the alien to another detention facility— (A) a description of the transfer of the alien to the other detention facility; (B) the reason for the transfer