International criminal law, as a system of legal regulations found in acts of the international community and criminal legislation of individual states, establishes criminal liability and punishments for crimes against international law. These acts represent a breach of the laws and customs of war (international humanitarian law) that violate or threaten peace among nations and the security of mankind. Penalties prescribed for these criminal offences stand for the most severe penalties in contemporary criminal legislation. In some cases, international judiciary (supranational) institutions such as the Hague Tribunal (ICTY) and the other international military and ad hoc tribunals or courts have primary jurisdiction over perpetrators of thes...