Reference to "legislative amendment" in Article 2 of the Criminal Code concerns amendment to the penalty provisions. Alteration of the content of the Executive Yuan*s official notice, prescribing controlled items and their quantity in accordance with Article 2, Paragraph 2, of the Smuggling Punishment Act, is not an amendment to the penalty provisions in the Act. Therefore such alteration does not fall within the scope of "amendment" under Article 2 of the Criminal Code.