Article 149 TFEU

The European Parliament and the Council, acting in accordance with the ordinary legislative procedure and after consulting the Economic and Social Committee and the Committee of the Regions, may adopt incentive measures designed to encourage cooperation between Member States and to support their action in the field of employment through initiatives aimed at developing exchanges of information and best practices, providing comparative analysis and advice as well as promoting innovative approaches and evaluating experiences, in particular by recourse to pilot projects.

Those measures shall not include harmonisation of the laws and regulations of the Member States.