I BASIC PROVISIONS
The Meaning of Terms Used in the Law
Article 2
“Competent Chamber“ shall refer to the Chamber of the competent court, composed of three judges, deliberating in session on appeals against rulings passed by the Investigative Judge, passing a ruling at the request of the International Criminal Court for surrender of an accused person.
Competent national authority
Cooperation under procedures of national law
Competent national judicial authority
EDIT.