Morocco occupies the major part of its neighbouring country, Western Sahara. Entering into business deals with Moroccan companies or authorities in the occupied territories gives an impression of political legitimacy to the occupation. It also gives job opportunities to Moroccan settlers and income to the Moroccan government. Western Sahara Resource Watch demands foreign companies leave Western Sahara until a solution to the conflict is found.
It's not easy keeping up with all the different legal proceedings relating to Western Sahara. For the sake of clarity, here's an overview of the five different cases at the Court of Justice of the European Union.