In a globalised world in which everyone is more and more mobile, employment law necessarily plays an important role. Some claim rights, others insist on obligations, each knowing they will have to find a way to work together and, from time to time, deal successfully with the incidents, the snags, the accidents and, sometimes, the major problems that can crop up. The aim of this guideline by Michel Chavanne (2012) is both to raise employers’ awareness of their responsibilities in terms of their duty of care towards their employees and to suggest practical ways of reducing the risk of infringements of an employee’s personal rights. The paper outlines how, under Swiss law, international aid agencies’ liability under employment law is identical, in both legislation and case-law, to that of any other employer, whether a multinational or a small or medium-sized enterprise.