A/HRC/4/42 page 25 individuals working for them. Such regulation should include defining minimum requirements for transparency and accountability of firms, screening and vetting of personnel, and establish a monitoring system including parliamentary oversight. States should impose a specific ban on PMSCs intervening in internal or international armed conflicts or actions aiming at destabilizing constitutional regimes; − The Working Group recommends human rights components in education and training programmes to be offered to the staff of PMSCs, including on international humanitarian law, international human rights law, and United Nations standards on the use of force; − The Working Group recommends that, in order to fulfil the complex mandate and challenges given to it under Commission resolution 2005/2 and assumed by the Human Rights Council, as well as by General Assembly resolution 61/151, it be allowed to hold three sessions per year, two in Geneva and one in New York. -----