This 255th Bi-Monthly meeting was convened on 06 December 2018 at Diakonia Center (KSSA/ICF), where CCC welcomes seven new members such as Community Capacities for Development (CCD), ForumZFD, Komar Rikreay (KMR), OIC Cambodia, Operations Enfants du Cambodge (OEC), Rural Development Association (RDA) and Society for Action and Change for Rural Education and Development (SACRED).

On 29 July 2021, CCC led an Online CCC Members Meeting in order to share the most updated information about CCC and members, discussion on development issues, research result, and other legal compliant for CSOs. There were 87 participants from CSOs in Cambodia.

it was conducted on 7 April 2015 as normally for its members. However, this time is very crucial for all CSOs to participate in this meeting as the Prime Minister of Royal Government of Cambodia has announced that the draft Law on Associations and NGOs (LANGOs) will be sent to council of ministers by May 2015.