In the Czech Republic, personal use amounts of most recreational drugs were decriminalized to a misdemeanor as of Jan 1 2010. Under the new law, possession of less than the following amounts of illicit drugs will not be a serious criminal offense: Marijuana - 1.5 grams; Hashish - 1 gram; 2C-B - 200mg; MDMA - .34g ; Methamphetamine - .6g. Possession of "larger than a small amount" of marijuana can result in a jail sentence of up to one year. For other illicit drugs, the sentence is two years.

See http://portal.gov.cz/app/zakony/zakon.jsp?page=0&fulltext=&nr=467~2F2009&part=&name=&rpp=15#seznam. Click on the PDF, then page 12+.

In April 2011, the Czech Republic banned 30 substances including the cathinones banned around the world in 2009-2011. Newly banned substances include: Butylone, Mephedrone, Methylone, Naphyrone, Salvinorin A, and others.

It appears that DPT, AMT, and 5-MeO-DMT are not controlled in the Czech Republic.