5a47ee68_n_of_cannabis_for_personal_use_use_in_the_different_countries_Notes
[Country] Belgium Possession of cannabis for personal use is prohibited, but receives a police warning if without nuisance. Offences causing public disorder receive 3 months to 1 year in prison. [Legislation] Loi 24 février 1921, Art 2ter; Arrêté royal de 31 décembre 1930, Art 28; Directive de 17 avril 1998; Directive ministérielle de 16 mai 2003 ; Directive commune de la Ministre de la Justice et des autorités judiciaires du 25 janvier 2005 [Level of prosecution] 2003 Directive says maximum for personal use is 3 g of cannabis or one plant. Distinguished by law (Law of 1921, Art 11) [Notes] 
2003 law stated that cannabis-related offences are specifically punishable by a police fine if non-problematic and for personal use, but this concept was annulled as unclear by the Constitutional Court.
EMCDDA | Overviews of legal topics: possession of cannabis for personal use
Notes