The list of controlled substances is included in the Government Decree 543/2008 of Narcotic substances, preparations and plants. Since 2010, several NPS have been added to Annex III and Annex IV of this list: MDPV and khat were added in 2010 (Government
Decree 596/2010); BZP, mephedrone, a number of 2C-compounds, 4-MMC, PMMA, TMA-2 were added to the list in 2011 (Government
Decree 142/2011); a number of JWH- compounds, mCPP, Bromo-Dragonfly, 2-DPMP were added in 2012 (Government
Decree 117/2012); in 2013, Annex II-IV of the list of controlled substances were replaced and other NPS such as 2-FA,3-FA, 4-FA, 2-FMA, α-PVP, etc (Government
Decree 1098/2013); a number of NBOMe substances were added in 2014 (Government
Decree 139/2014). In December 2014 and responding to the decision of the European Court of Justice that stated that medicine legislation could not longer being used to control NPS, Finland changed the regulations on the control of the supply of NPS. The new legislation,
Decree 1127/2014, in force since 20 December 2014, broadens the aims of the Narcotics Act prohibiting the manufacture and supply of NPS but it does not criminalize their possession, unlike with other narcotic drugs. Aproximately 150 substances have been listed in the corresponding Government
Decree 1130/2014. The criminal code classifies supply-related acts linked to these NPS as offenses endangering health and safety, which are punishable by a fine or up to one year in prison. The list of controlled substances has been updated as specified in the
Regulation 27.10.2016/899 that entered into force on 14 November 2016. In a Government decree that took effect on 1 April 2016, several benzodiazepines such as clonazolam, deschloroetizolam, diclazepam, etizolam, flubromazepam, flubromazolam, meclonazepam, nifoxipam, and pyrazolam, have been added to Finland's list of narcotics.