The new Posting of Workers Enforcement Directive has been formally adopted and must be implemented by Member States over the next two years. It aims to better enforce existing EU rules on the posting of workers. These rules protect the rights of posted workers (i.e. those workers sent temporarily from one Member State to work in another) and also seek to prevent 'social dumping' by laying down a core of mandatory terms and conditions of employment to be applied to such workers when posted to work in another Member State.

The new Enforcement Directive has a particular focus on preventing fraud and circumvention of these rules, for example, by so-called 'letter box' companies (without any real economic activity in their 'home' country), the use of false 'posting' to circumvent national rules on social security and labour conditions and instances of sub-contracting chains denying posted workers' their rights.