5a47ee68_n_of_cannabis_for_personal_use_use_in_the_different_countries_Notes
[Country] Czech Republic As with all drugs, administrative offence if quantity is small, subject to police fine or warning. Possession of a quantity “greater than small” of cannabis or other substances containing THC is punished with up to 1 year imprisonment (possession of other drugs punishable by up to 2 years). [Legislation] Misdemeanour Act s.30(1)(j); Penal Code s.284(1). [Level of prosecution] 15 g of dry matter for marijuana and 5 g of hashish; Government Decree n. 467/2009 effective from January 2010. Distinction by law for crimes of personal possession. [Notes] 
Before January 2010, the old Penal Code made no distinction between cannabis and other substances.
EMCDDA | Overviews of legal topics: possession of cannabis for personal use
Notes