; or (ii) communicates a message relating to any political matter of national importance, including— (I) a candidate; (II) any election to Federal office; or (III) a national legislative issue of public importance. (C) Third-party advertising vendor defined For purposes of this paragraph, the term third-party advertising vendor includes any third-party advertising vendor network, advertising agency, advertiser, or third-party advertisement serving company that buys and sells advertisement space on behalf of unaffiliated third-party websites, search engines, digital applications, or social media sites. . (c) Effective date The amendments made by this section shall apply with respect to communications made on or after January 1, 2024, and shall take effect without regard to whether or not the Federal Election Commission has promulgated regulations to carry out such amendments. 4. Requiring disclaimers on advertisements containing content generated by artificial intelligence (a) Requirement Section 318 of the Federal Election Campaign Act of 1971 ( 52 U.S.C. 30120 ) is amended by adding at the end the following new subsection: (e) Special disclaimer for communications containing content generated by artificial intelligence (1) Requirement If a communication described in subsection (a) contains an image or video footage which was generated in whole or in part with the use of artificial intelligence (generative AI), the communication shall include, in a clear and conspicuous manner, a statement that the communication contains such an image or footage. (2) Safe harbor for determining clear and conspicuous manner A statement required under this subsection shall be considered to be made in a clear and conspicuous manner if the statement meets the following requirements: (A) Text or graphic communications In the case of a text or graphic communication, the statement— (i) appears in letters at least as large as the majority of the text in the communication