council decis decemb sign behalf european commun unit nation convent transnat organis crime protocol combat traffick person women children smuggl migrant land air sea ec council european union regard treati establish european commun articl subparagraph read conjunct subparagraph articl thereof regard propos commiss element convent protocol thereto subject commun compet negoti commiss approv council behalf commun council instruct commiss negoti access commun intern agreement question negoti successfulli conclud result instrument open sign state area compet region organis econom integr palermo decemb unit nation headquart period year member state state sign instrument open sign palermo european commun sign decid sole articl presid council authoris design person empow behalf commun sign convent transnat organis crime protocol thereto combat traffick person women children smuggl migrant land air sea text convent addit protocol adopt gener assembl unit nation resolut novemb publish offici journal european commun access commun brussel decemb council presid védrine