; (ii) has not attained 18 years of age; and (iii) with respect to whom— (I) there is no parent or legal guardian in the United States; (II) no parent or legal guardian in the United States is available to provide care and physical custody; or (III) no sibling over 18 years of age, aunt, uncle, grandparent, or cousin over 18 years of age is available to provide care and physical custody; except that (B) such term shall cease to include an alien if at any time a parent, legal guardian, sibling over 18 years of age, aunt, uncle, grandparent, or cousin over 18 years of age of the alien is found in the United States and is available to provide care and physical custody (and the Secretary of Homeland Security and the Secretary of Health and Human Services shall revoke accordingly any prior designation of the alien under this paragraph). . 9. Modifications to preferential availability for asylum for unaccompanied alien minors Section 208 of the Immigration and Nationality Act ( 8 U.S.C. 1158 ) is amended— (1) by striking subsection (a)(2)(E); and (2) by striking subsection (b)(3)(C). 10. Notification and transfer of custody regarding unaccompanied alien minors Section 235(b) of the William Wilberforce Trafficking Victims Protection Reauthorization Act of 2008 ( 8 U.S.C. 1232(b) ) is amended— (1) in paragraph (2), by striking 48 hours and inserting 7 days