Inspections

Verification and control
What makes the Chemical Weapons Convention unique among arms-control and non-proliferation treaties is its extensive and strict verification and control regime.

The most important element in the control of the observance of the Convention is international inspections of chemical facilities that are affected by the Convention and therefore declarable under the Convention. 

Forms of inspection  

• Routine inspections whose purpose is to verify the information contained in the declarations. Not all declarable facilities are inspectable as the thresholds for inspections are approximately ten times higher than those for declarations;
  
  
• So-called challenge inspections. Each State Party has the right to request on the territory of another State Party for the purpose of clarifying and resolving any questions concerning possible non-compliance with the provisions of the Convention.

How
The inspections are carried out by inspectors from the OPCW. The inspectors are escorted by representatives of the National Authority, i.e. the Agency for Enterprise and Construction.