Mandatory legislation on various aspects of business transparency is emerging around the world. It can form part of company law, environmental regulation, or tailored legislation for institutional investors or on social and environmental reporting. Pressure for enhanced public sector accountability has also given rise to calls for company reporting on revenues paid to host government by companies in the extractive industries...A new wave of legal actions – mostly in US courts, but also in some EU countries – is testing the boundaries of existing legal principles in relation to some of the most difficult issues of the CSR agenda. For example, a series of cases in the US, France and Belgium are testing how fundamental principles of international law – particularly human rights law – apply to parent companies of multinational corporate groups.