; (5) an accompanying alien whose presence in the United States is necessary for the alien who meets the criteria described in any of the paragraphs (1) through (4) to further the purposes of such provisions; or (6) an alien who, while in the United States, had an emergent personal or bona fide reason to travel temporarily abroad and received approval for Advance Parole from the Secretary. (b) Rules of construction Nothing in this section may be construed— (1) to preclude the execution of section 235(a)(4) or 241(a)(5); (2) to expand or restrict the authority to grant parole under section 212(d)(5), including for aliens arriving at a port of entry by air or sea, other than an alien arriving by land at a contiguous continental land border for whom a special rule described in subsection (a) applies