50 U.S.C. § 3040a
Prohibition on collection and maintenance of information of United States persons based on first amendment-protected activities
No element of the intelligence community may collect or maintain information concerning a United States person (as defined in section 3039 of this title ) solely for the purpose of monitoring an activity protected by the first amendment to the Constitution of the United States.
( July 26, 1947, ch. 343 , title I, § 105C, as added Pub. L. 117–103, div. X, title III, § 303 , Mar. 15, 2022 , 136 Stat. 965 .)