On April 2003 , SIR and the border control functions of CED were merged to form ICA in response to the 9/11 attacks and the Jemaah Islamiyah plots . The remaining functions of the CED was reorganised and renamed into Singapore Customs . ICA was to be part of the Home Team and a new , blue uniform was introduced to reflect that change . The first Commissioner of ICA was Lock Wai Han , who was in the Singapore Police Force before he oversaw the merger of the two agencies
9/11 attacks
September 11 attacks
Immigration and Checkpoints Authority