1. Short title This Act may be cited as the Protecting UACs Through Enhanced Sponsor Vetting Act of 2017 . 2. Additional procedures for placement decisions for unaccompanied alien children Section 462 of the Homeland Security Act of 2002 ( 6 U.S.C. 279 ) is amended— (1) in subsection (b)(1)— (A) in subparagraph (K), by striking ; and at the end; (B) in subparagraph (L), by striking the period at the end and inserting ; and ; and (C) by adding at the end the following: (M) providing notification of the prospective placement of an unaccompanied alien child with a sponsor to the Governor of the State and the chief executive of the county in which the sponsor resides. ; (2) in subsection (b)(2), by amending subparagraph (A) to read as follows: (A) shall coordinate with appropriate juvenile justice professionals, the Director of the Bureau of Citizenship and Immigration Services, the Assistant Secretary of the Bureau of Border Security, the Director of the Federal Bureau of Investigation, and appropriate State and local law enforcement officials to ensure that such determinations ensure that unaccompanied alien children described in such subparagraph— (i) are likely to appear for all hearings or proceedings in which they are involved; (ii) are protected from smugglers, traffickers, members of a designated trans­na­tion­al criminal organization, or others who might seek to victimize or otherwise engage them in criminal, harmful, or exploitive activity, including by conducting a thorough criminal history background check utilizing the Next Generation Identification System or its successor system on prospective sponsors; (iii) are placed in a setting in which they are not likely to pose a danger to themselves or others; and ; (3) by redesignating subsection (g) as subsection (h) and— (A) in paragraph (1) of such subsection, by striking and at the end; (B) in paragraph (2) of such subsection, by striking the period at the end and inserting ; and