; (2) in subparagraph (E)(iv), by striking the period at the end and inserting ; and ; and (3) by adding at the end the following: (F) standard operating procedures regarding the detection, interdiction, inspection, processing, or transferring of alien children that officers and agents of U.S. Customs and Border Protection shall employ in the execution of their duties. . (b) Facilities standards (1) Initial review and update Not later than 270 days after the date of the enactment of this Act, the Secretary shall review and update the regulations under part 115 of title 6, Code of Federal Regulations, that set standards to prevent, detect, and respond to sexual abuse and assault in immigration detention facilities and other holding facilities under the jurisdiction of the Department of Homeland Security. (2) Quadrennial review The Secretary shall review and update the regulations referred to in paragraph (1) not less frequently than once every 4 years. 1611. Criminal background checks for sponsors of unaccompanied alien children (a) In general Section 235(c) of the William Wilberforce Trafficking Victims Protection Reauthorization Act of 2008 ( 8 U.S.C. 1232(c) ) is amended— (1) in paragraph (3)— (A) in subparagraph (A), in the first sentence, by striking subparagraph (B) and inserting subparagraphs (B) and (C) ; (B) by redesignating subparagraphs (B) and (C) as subparagraphs (C) and (D), respectively; (C) by inserting after subparagraph (A) the following: (B) Criminal background checks (i) In general Before placing an unaccompanied alien child with an individual, the Secretary of Health and Human Services shall— (I) conduct a criminal history background check on the individual and each adult member of the individual’s household; and (II) if appropriate, collect biometric samples in connection with any such background check. (ii) Scope (I) In general Each biometric criminal history background check required under clause (i) shall be conducted through— (aa) the Federal Bureau of Investigation