As such, he was a key player in the development and negotiation of the ASEAN Charter, as the Cambodian representative to the ASEAN High Level Task Force on the Drafting of the ASEAN Charter.
因此，他是“东盟宪章”的发展和谈判的重要角色，也是东盟高层关于起草“东盟宪章”高级别工作组的柬埔寨代表。