; (ii) was a child apprehended with a parent, adoptive parent, or legal guardian, regardless of the age or marital status of the individual on the date on which he or she files an asylum application; or (iii) is the parent or legal guardian of an individual described in clause (ii). . 104. Standards for U.S. Customs and Border Protection detention of noncitizen children (a) Initial processing of noncitizen children and families with noncitizen children (1) In general The Commissioner of U.S. Customs and Border Protection (referred to in this title as the Commissioner ) may only detain a noncitizen child for the purpose of initial processing. (2) Time limitation Under no circumstance may the Commissioner detain a family with a noncitizen child for more than 72 hours. (b) Prioritization of best interests of the child and family unity In all decisions undertaken by the Commissioner with respect to the detention of a noncitizen child, the Commissioner shall prioritize— (1) the best interests of the noncitizen child