The Enforcement Procedure under Article 169 of the EC Treaty and the Powers of the European Commission: Quis Custodiet Custodes? - European Public Law View The Enforcement Procedure under Article 169 of the EC Treaty and the Powers of the European Commission: Quis Custodiet Custodes? by - European Public Law The Enforcement Procedure under Article 169 of the EC Treaty and the Powers of the European Commission: Quis Custodiet Custodes? 1 4 European Public Law