Per the Oct 30, 2023 AI executive order:

"Finally, my Administration will help develop effective labeling and content provenance mechanisms, so that Americans are able to determine when content is generated using AI and when it is not. "

https://www.whitehouse.gov/briefing-room/presidential-actions/2023/10/30/executive-order-on-the-safe-secure-and-trustworthy-development-and-use-of-artificial-intelligence/

Executive Order on the Safe, Secure, and Trustworthy Development and Use of Artificial Intelligence | The White House

     By the authority vested in me as President by the Constitution and the laws of the United States of America, it is hereby ordered as follows:      Section 1.  Purpose.  Artificial intelligence (AI) holds extraordinary potential for both promise and peril.  Responsible AI use has the potential to help solve urgent challenges…