The Act on Illegality of the Communist Regime and on Resistance Against It (Czech: Zákon o protiprávnosti komunistického režimu a o odporu proti němu, zákon č. 198/1993 Sb.) is an act passed on July 9, 1993 in the Parliament of the Czech Republic. This act declared the Communist regime in Czechoslovakia (February 25, 1948 – November 17, 1989) as illegal and the Communist Party of Czechoslovakia as a criminal organisation. Most of the act is formulated as a resolution.