; and (ii) the billing address associated with such credit card is located in the United States or, in the case of a purchase made by an individual who is a United States citizen living outside of the United States, the individual provides the platform or intermediary with the United States mailing address the individual uses for voter registration purposes. (c) Covered online platform defined In this section, the term covered online platform means any public facing website, web application, or digital application (including a social network or search engine) which sells qualified political advertisements and has 50,000,000 or more unique monthly United States visitors or users for a majority of months during the preceding 12 months, except that such term does not include a website or application that displays qualified political advertisements solely pursuant to an arrangement entered into with a covered intermediary between the website or application and the sponsor of the qualified political advertisement. (d) Covered intermediary defined In this section, the term covered intermediary means a digital advertising platform or advertising system (including an ad server, ad network, ad exchange, and any other advertising technology intermediary) which participates in the delivery of 100,000,000 advertisements that can be viewed in the United States for a majority of months during the preceding 12 months. (e) Qualified political advertisement defined In this section, the term qualified political advertisement means any advertisement (including search engine marketing, display advertisements, video advertisements, native advertisements, and sponsorships) that— (1) is made by or on behalf of a candidate; or (2) communicates a message relating to any political matter of national importance, including— (A) a candidate; (B) any election to Federal office