At EU level, undeclared work is defined as "any paid activities that are lawful as regards their nature, but not declared to public authorities, taking into account differences in the regulatory systems of the Member States".
A Eurobarometer survey, carried out in 2013, shows that, in the EU:
The main responsibility for tackling undeclared work lies with national authorities. The fight against undeclared work relies mostly on three types of enforcement bodies:
Additionally, in some Member States, social partners are also involved in these tasks, as well as customs authorities, migration bodies, the police and the public prosecutor's office.
Within the last ten years, all Member States introduced various measures to step up their efforts in the fight against undeclared work, given its negative consequences. Most of them are in the area of deterrence measures to influence people's behaviour with stricter sanctions or focusing on more effective inspections. In addition, Member States use preventive measures such as
to decrease the incidence of undeclared work and facilitate compliance with existing rules.
The European Platform Tackling Undeclared Work enhances cooperation between Member States' relevant authorities and other actors involved to fight undeclared work more effectively and efficiently while fully respecting national competences and procedures.