ISAA reports shall be tailored to the needs of the Union political level as defined by the Presidency of the Council, and shall allow for a strategic overview of the situation within the Council, in accordance with the IPCR arrangements. Such reports shall bring together validated contributions voluntarily made available by Member States, the Commission, the EEAS and by the relevant Union agencies, as well as by relevant international organisations. In the event of an invocation regarding a terrorist attack, intelligence assessments and briefings shall be handled separately through existing channels.