1. Short title This Act may be cited as the Cell-Site Simulator Warrant Act of 2023 . 2. Prohibition on cell-site simulator use (a) Prohibition Chapter 205 of title 18, United States Code, is amended by adding at the end the following: 3119. Cell-site simulators (a) Prohibition of use (1) In general Except as provided in subsection (d), it shall be unlawful— (A) for any individual or entity to knowingly use a cell-site simulator in the United States; or (B) for an element of the intelligence community to use a cell-site simulator outside the United States if the subject of the surveillance is a United States person. (2) Rule of construction Nothing in paragraph (1) shall be construed to authorize a law enforcement agency of a governmental entity to use a cell-site simulator outside the United States. (b) Penalty Any individual or entity that violates subsection (a)(1) shall be fined not more than $250,000. (c) Prohibition of use as evidence (1) In general Except as provided in paragraph (2), no information acquired through the use of a cell-site simulator in violation of subsection (a)(1), and no evidence derived therefrom, may be received in evidence in any trial, hearing, or other proceeding in or before any court, grand jury, department, officer, agency, regulatory body, legislative committee, or other authority of the United States, a State, or a political subdivision thereof. (2) Exception for enforcement Information acquired through the use of a cell-site simulator in violation of subsection (a)(1) by a person, and evidence derived therefrom, may be received in evidence in any trial, hearing, or other proceeding described in paragraph (1) of this subsection relating to the alleged violation of subsection (a)(1) in connection with such use. (d) Exceptions (1) In general (A) Warrant (i) In general Subsection (a)(1) shall not apply to the use of a cell-site simulator by a law enforcement agency of a governmental entity under a warrant issued— (I) in accordance with this subparagraph