The 4th Meeting of the ASEM Working Group on Customs Matters (the 4th AWC Meeting)took place on 6-7 May 2010 in Hanoi, Viet Nam.

There were 55 participants at the meeting from 28 ASEM members, namely Austria, Bulgaria, Belgium, Brunei, China, Cambodia, Denmark, European Commission (EC), Finland, France, Germany, Hungary, India, Indonesia, Italy, Japan, Korea, Malaysia, Myanmar, the Netherlands, Poland, Singapore, Slovenia, Spain, Sweden, Thailand, United Kingdom and Vietnam. The World Customs Organization (WCO), RILO A/P, ROCB attended as Observers.