develop shared principles, rules, decision-making procedures and programmes to shape the use and evolution of the internet. 5. The powers of regulatory bodies shall be administrative in nature and shall not seek to usurp the role of the courts. Principle 18. Complaints 1. Public complaints systems for print, broadcast, online media and internet intermediaries shall be widely accessible and determined in accordance with established rules and codes of conduct. 2. Any regulatory body established to adjudicate complaints about media content shall be protected against political, commercial or any other undue interference. Principle 19. Protection of practitioners journalists and other media 1. The right to express oneself through the media by practising journalism shall not be subject to undue legal restrictions. 2. Journalists and other media practitioners shall be free to organise themselves into unions and associations. Principle 20. Safety of journalists and other media practitioners 1. States shall guarantee the safety of journalists and other media practitioners. 2. States shall take measures to prevent attacks on journalists and other media practitioners, including murder, extra-judicial killing, torture and other forms of ill-treatment, arbitrary arrest and detention, enforced disappearance, kidnapping, intimidation, threats and unlawful surveillance undertaken by State and non-State actors. 3. States shall take measures to raise the awareness and build the capacities of journalists and other media practitioners, policy makers and other stakeholders on laws and standards for ensuring the safety of journalists and other media practitioners. 4. States shall take effective legal and other measures to investigate, prosecute and punish perpetrators of attacks against journalists and other media practitioners, and ensure that victims have access to effective remedies. 16