In NUMBER@1 he received his first posting to the ORGANIZATION@1 , as First Secretary of the ORGANIZATION@2 -LRB- LOCATION@1 only became a full ORGANIZATION@3 member state on NUMBER@2 September NUMBER@3 -RRB- .

At the time of PERSON@1 's assassination , Ban was First Secretary at LOCATION@1 's ORGANIZATION@4 to the ORGANIZATION@3 in LOCATION@2 -LRB- LOCATION@1 only became a full ORGANIZATION@3 member state on September NUMBER@2 NUMBER@3 -RRB- .
