; and (2) each beneficiary or derivative of the petition or application. (b) Review of social media activity The background check under subsection (a) shall include a review of the alien’s publicly available interactions on and posting of material to the Internet (including social media services). (c) DNA testing No petition or application filed with the Secretary of Homeland Security or with a consular officer relating to the issuance of an immigrant visa to an alien or to the admission of an alien to the United States as an immigrant, if the eligibility for the immigration benefit is predicated on the fact that a biological relationship exists between the petitioner or applicant and the beneficiary or derivative, may be approved, unless a genetic test is conducted to confirm such biological relationship and the results of such test are submitted as part of the petition or application. Any such genetic test shall be conducted at the expense of the petitioner or applicant. Evidence of a biological relationship, as submitted under this subsection, shall not in itself be determinative of such biological relationship. . (b) Clerical amendment The table of contents for the Immigration and Nationality Act ( 8 U.S.C. 1101 et seq.) is amended by inserting after the item pertaining to section 211 the following: 211A. Petition and application processing. 211B. Background checks and other screening requirements. . (c) Conforming amendment Section 222(e) of the Immigration and Nationality Act ( 8 U.S.C. 1201(e) ) is amended by striking the following: Except as may be otherwise prescribed by regulations, each application for an immigrant visa shall be signed by the applicant in the presence of the consular officer, and verified by the oath of the applicant administered by the consular officer. . (d) Application The amendments made by this section shall apply with respect to applications and petitions filed after the date of the enactment of this Act. 407. Fraud prevention (a) Prospective analytics technology (1) Plan for