This work exposes the criteria that the Colombian Council of State uses to ap-ply the conventionality control on its judgements. This research analyses the cases where the Council of State have applied the conventionality control as a mean to resolve disputes under its jurisdiction. To that end, special attention has been paid to the reasons given by this ju-dicial corporation, to justify its role as a conventionality judge, that in light of the American Convention on Human Rights and the Inter-American Court of Human Rights.