Customary international law

Bulgaria

Bulgaria - Constitution (EN) 1991 (2015)

Chapter 1 Fundamental Rights

Art. 24.
(1. ) The Republic of Bulgaria shall conduct its foreign policy in accordance with the principles and norms of international law.

Rome Statute

Article 10

Nothing in this Part shall be interpreted as limiting or prejudicing in any way existing or developing rules of international law for purposes other than this Statute.