Participants of the meeting expressed a satisfaction with stability and quality of the current version of MC CATALOGUE (MCC). Attention of the discussants was also focused on an intention of AC/135 to substantially change the international exchange of codification data (NATO Data Exchange Redesign Project) and its implementation in MCC. Representatives of the South African National Codification Bureau took part in the meeting for the first time. The host of the next MC CATALOGUE User Group meeting this year’s autumn will be Hungary.