Bosnia and Herzegovina is one of the most active members among 64 partner countries of the European Union’s (EU) Chemical, Biological, Radiological, and Nuclear (CBRN) Risk Mitigation Centres of Excellence (CoE) Initiative. Initially, Bosnia and Herzegovina developed on its own National Action Plan and Action Plans of the Entities for CBRN risks mitigation, which was adopted in 2018 ahead of its expiration on 31 December 2022.