Safe, secure, and trustworthy development and use of artificial intelligence : communication from the President of the United States transmitting an executive order taking additional steps to deal with the national emergency declared in Executive Order 13694 of April 1, 2015, as amended by Executive Order 13757 of December 28, 2016, and further amended by Executive Order 13984 of January 19, 2021, taking additional steps to address the national emergency with respect to significant malicious cyber-enabled activities, pursuant to 50 U.S.C. 1703(b); Public Law 95-223, Sec. 204(b); (91 Stat. 1627).