"The 2018 Amending Directive is the most recent response to the failings of the European Union (EU) legal framework for the posting of workers. This article uses an original case study of workers posted from Serbia via Hungary to Slovakia as a basis on which to assess the practical impact of this latest Directive. We recognize the capacity for EU Member States to do more to protect posted workers than was possible previously. However, we also note significant regulatory omissions relating, in particular, to the manufactured uncertainty of employment and immigration status, limited supply chain regulation and obstacles to trade union representation. We identify the need to address in greater detail the complex operations of transnational temporary work agencies involving third country nationals which can produce legal uncertainty and foster unfree labour relations."

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