; and (F) public uniform resource locators that uniquely link to the content and identify related materials such as the parent content, replying content, and cross-posted content. (4) Highly disseminated content As part of the regulations issued under paragraph (1), the Commission shall define highly disseminated according to metrics that the Commission deems appropriate (which may include engagement, views, reach, impressions, or other metrics), provided that a piece of content must have been viewed by at least 10,000 unique users to qualify. (5) Major public accounts As part of the regulations issued under paragraph (1), the Commission shall define major public accounts as it deems appropriate, provided that, at a minimum, major public accounts are restricted to reasonably public accounts whose content is followed by at least 25,000 users or otherwise regularly reaches at least 25,000 users per month. (6) Treatment of content that has been removed The regulations described in paragraph (1) shall provide guidance regarding disclosure of content that is removed by the user or platform subsequent to its dissemination. (7) Frequency To the extent practicable, the Commission shall require this information to be updated so as to provide a real-time understanding of the content described in paragraphs (1) and (2). (c) Transparency of advertising (1) In general Not later than 1 year after the date of enactment of this Act, the Commission shall, in accordance with section 553 of title 5, United States Code, and subject to subsection (g), issue regulations to require platforms to disclose on an ongoing basis information regarding advertising on the platform. These regulations shall require platforms to compile and disclose publicly in a specific section of their online interface, through a searchable and reliable tool that allows multicriteria queries and through application programming interfaces, a repository containing the information referred to in paragraph (2), for the entire period during which they present an