The document discusses the EOSC Working Groups, which were established to help implement the European Open Science Cloud (EOSC). There are currently 5 working groups focused on areas like sustainability, mapping national initiatives, FAIR implementation requirements, federated infrastructure architecture, and rules of participation. The working groups are composed of experts from stakeholder organizations who will make recommendations and monitor progress to support the EOSC Executive Board and Stakeholder Forum Governance Board in their implementation of EOSC.