The CPR (Committee of Permanent Representatives) is assisted by a Working Group that comprises the Deputy Permanent Representatives and other officials from the 10 Permanent Missions of Member States to ASEAN.

As the working arm of the CPR, it provides recommendations to aid in CPR’s deliberations. The Chairmanship of the CPRWG is held by the Deputy Permanent Representative to ASEAN of the Member State serving as Chair of ASEAN at the time.