The Sub-Commission is responsible for providing opinions on regulations concerning constitutional courts in the Members States of the Council of Europe and in other Member States of the Venice Commission. The members of the Sub-Commission, besides the liaison officer, are ex officio members of the Joint Council on Constitutional Justice which is a body of primary importance in the dialogue between the constitutional courts and equivalent bodies.

The term of office of András Varga Zs. as the Vice-President of the Sub-Commission is two years.

András Varga Zs. has been the Member of the Venice Commission since October, 2013.