1. Short title This Act may be cited as the Zero Tolerance for Deceptive Fentanyl Trafficking Act . 2. Prohibition of the deceptive sale of fentanyl Section 401 of the Controlled Substances Act ( 21 U.S.C. 841 ) is amended by adding at the end the following: (i) Deceptive sale of fentanyl and fentanyl-Related substances (1) Offense It shall be unlawful for any person to knowingly misrepresent or knowingly market as another substance a mixture or substance containing fentanyl, a fentanyl analogue, or a fentanyl-related substance (as defined in subsection (e)(2) of Schedule I in section 202(c)). (2) Penalty (A) In general Except as provided in subparagraph (B), any person who violates paragraph (1) shall be imprisoned for not less than 20 years and fined under title 18, United States Code. (B) Enhanced penalties (i) Death results In the case of a violation of paragraph (1) in which death results from the violation, or the person commits the violation with the intent to cause death, the person shall be punished by death or by a sentence of imprisonment for life and fined under title 18, United States Code. (ii) Prior felony conviction or unlawful presence in the United States A person who violates paragraph (1) shall be sentenced to imprisonment for life and fined under title 18, United States Code, if the violation occurs— (I) after any other prior felony conviction of the person has become final; or (II) while the person is unlawfully present in the United States. . 3. Fentanyl-related substances Section 202(c) of the Controlled Substances Act ( 21 U.S.C. 812 ) is amended— (1) by adding at the end of subsection (b) of Schedule I the following: (23) Isobutyryl fentanyl. (24) Para-Methoxybutyrylfentanyl. (25) Valeryl fentanyl. (26) Cyclopentyl fentanyl. (27) Para-Chloroisobutyryl fentanyl.