“…It also discusses the legal ambiguities accompanying the notion of 'genuine undertakings' and some recent cases of abuse of the freedom of establishment through the spread of letter-box companies. Finally it formulates policy recommendations for clear, transparent regulation, tighter controls and closer cooperation between national law-enforcing authorities…”

“…One of the main conclusions of this practical evaluation is that the use of the posting mechanism ranges from normal and decent long-established partnership between contracting partners to completely fake letter box practices of labour-only recruitment."…”