; or (J) a disbursement by a covered foreign national (as defined in subsection (b)(4)) for a Federal judicial nomination communication (as defined in section 324(g)(2)); . (b) Definition of online platform Section 319(b) of such Act ( 52 U.S.C. 30121(b) ), as amended by sections 101 and 103, is amended by adding at the end the following new paragraph: (5) Online platform (A) In general For purposes of this section, subject to subparagraph (B), the term online platform means any public-facing website, web application, or digital application (including a social network, ad network, or search engine) which— (i) (I) sells qualified political advertisements; and (II) has 50,000,000 or more unique monthly United States visitors or users for a majority of months during the preceding 12 months