Principally, this book comprises a conceptual analysis of the illegality of a third-country national's stay by examining the boundaries of the overarching concept of illegality at the EU level.
Having found that the holistic conceptualisation of illegality, constructed through a combination of sources (both EU and national law) falls short of adequacy, the book moves on to consider situations that fall outside the traditional binary of legal and illegal under EU law.
The cases of unlawfully s.