At its meetings, the CAHDI examines four major themes:
The CAHDI monitors member and observer States practice in this field, in particular by following up the relevant case-law.
This theme covers numerous aspects examined by the CAHDI, in particular the peaceful settlement of disputes or the cases before the European Court of Human Rights involving issues of public international law.
In its role of European Observatory of Reservations to International Treaties, the CAHDI considers outstanding reservations and declarations to international treaties.
By monitoring State practice and the cases submitted to national tribunals, the CAHDI follows the latest developments in this field.