decis ec turkei associ council septemb repeal decis relat method administr cooper implement articl addit protocol ankara agreement ec ec turkei associ council regard agreement establish associ european econom commun turkei hereinaft refer ankara agreement articl thereof articl addit protocol thereto applic articl decis associ council implement final phase custom union custom cooper committe determin method administr cooper free movement good decis method administr cooper implement articl addit protocol ankara agreement render nugatori decis custom cooper committe repeal decid articl decis repeal articl decis enter forc juli brussel septemb associ council presid ciller oj oj decis amend decis oj