council decis decemb full applic schengen acqui greec ec council european union regard articl protocol integr schengen acqui framework european union regard decis execut committe septemb set stand committe implement schengen regard decis adopt perman repres committe june set ad hoc committe greec take account decis schengen execut committe octob sch rev decemb sch rev visit made check requir relat manpow level materi resourc train border control surveil servic coordin depart concern satisfi condit lift control person intern border greec januari met decid articl control person intern border greec member state fulli appli schengen acqui lift period januari march decis appli januari intern maritim traffic port border control intern flight greec date abolit agre greec member state concern januari airport technic control case abolish march latest member state concern inform council commiss april measur implement decis articl schengen evalu work parti examin full applic schengen acqui greec studi measur prove articl decis enter forc dai adopt publish offici journal european commun brussel decemb council presid hassi