; or (3) being a person held in a detention facility, to possess or obtain, or attempt to obtain, a wireless communications device in violation of a Federal or State statute or rule, or order issued under such statute or rule. (b) Penalties (1) Civil forfeiture (A) Amount Notwithstanding paragraph (2) of section 503(b), the amount of any forfeiture penalty determined or imposed under such section for a violation of subsection (a) shall not exceed $50,000 for each violation or each day of a continuing violation, except that the amount assessed for any continuing violation shall not exceed a total of $1,000,000 for any single act or failure to act. (B) No citation required Paragraph (5) of section 503(b) shall not apply in the case of a violation of subsection (a). (C) 2-year statute of limitations Notwithstanding paragraph (6) of section 503(b), no forfeiture penalty for violation of subsection (a) shall be determined or imposed against any person if the violation charged occurred more than 2 years prior to the date of issuance of the notice required by paragraph (3) of section 503(b) or the notice of apparent liability required by paragraph (4) of section 503(b) (as the case may be). (2) Criminal fine Any person who willfully and knowingly violates subsection (a) shall upon conviction thereof be fined not more than $50,000 for each violation, in lieu of the fine provided by section 501 for such a violation. Nothing in this section shall be construed to supersede the provisions of section 501 relating to imprisonment or the imposition of a penalty of both fine and imprisonment. (c) Effect on other laws Nothing in this section shall be construed to— (1) prohibit any lawfully authorized investigative, protective, or intelligence activity of a law enforcement agency of the United States, a State, or a political subdivision of a State, or of an intelligence agency of the United States