In July 2010, the International Court of Justice rendered an Advisory Opinion on the conformity of the unilateral declaration of independence of Kosovo with international law. The paper examines the contribution of this opinion to the constitutionalization of international law....

The German regime on the use of military force provides an important reference point for legal comparison. In a seminal judgment of 1994, the Constitutional Court identified a constitution-based requirement for each military deployment to have parliamentary approval. The formalities of the...