council decis decemb signatur conclus agreement european commun turkish republ precursor chemic substanc frequent illicit manufactur narcot drug psychotrop substanc ec council european union regard treati establish european commun articl conjunct articl sentenc articl thereof regard propos commiss april council authoris commiss negoti turkei agreement precursor chemic substanc frequent illicit manufactur narcot drug psychotrop substanc hereinaft refer quot agreement quot commun strengthen control shipment precursor turkei enter commun form heroin psychotrop narcot substanc council authoris commiss consult special committe appoint council approv amend behalf commun agreement adopt joint follow group authoris limit amend annex agreement amend concern substanc cover commun legisl drug precursor chemic substanc agreement approv decid articl agreement european commun turkish republ precursor chemic substanc frequent illicit manufactur narcot drug psychotrop substanc approv behalf commun text agreement attach decis articl commun repres joint follow group provid articl agreement commiss assist repres member state commiss authoris approv behalf commun amend annex agreement adopt joint follow group procedur laid articl agreement commiss assist carri task special committe appoint council instruct establish common posit authoris refer paragraph limit substanc cover relev commun legisl drug precursor chemic substanc articl presid council authoris design person empow sign agreement articl presid council carri behalf commun exchang instrument provid articl agreement articl decis publish offici journal european union brussel decemb council presid fischer boel date entri forc agreement publish offici journal european union gener secretariat council