In order to ensure the most effective use of resources in the execution of oversight activities, a joint examination team should be able to oversee multiple critical ICT third-party service providersmeans an ICT third-party service provider designated as critical in accordance with Article 31;. The grouping of the critical ICT third-party service providersmeans an ICT third-party service provider designated as critical in accordance with Article 31; to be assigned to a specific joint examination team, and its overall staffing needs should take into account the risk profile of the critical ICT third-party service providersmeans an ICT third-party service provider designated as critical in accordance with Article 31;, and the envisaged level of intensity of oversight activities. This should result in a strategic multi-annual oversight plan, updated annually by the Lead Overseermeans the European Supervisory Authority appointed in accordance with Article 31(1), point (b) of this Regulation; to the extent necessary, and reflected into the individual annual oversight plan. To ensure the reliability of the planned and ongoing commitment of resource staffing of the joint examination teams by the nominating authorities, the Lead Overseermeans the European Supervisory Authority appointed in accordance with Article 31(1), point (b) of this Regulation; should consult both the joint oversight network and the Oversight Foruma sub-committee of the Joint Committee for the purposes of supporting the work of the Joint Committee and of the Lead Overseer in the area of ICT third-party risk across financial sectors.