permitted without the presence of the competent magistrate and, whenever possible, of the lawyer concerned. 2. Lawyers have the right to contact their clients personally with guarantees of confidentiality, especially where the clients are under detention or arrest in military or civil prison centres. TITLE VI PUBLIC ADMINISTRATION Section 137 (Public Administration general principles) 1. Public Administration shall aim at meeting public interest, in the respect for the legitimate rights and interests of citizens and constitutional institutions. 2. The Public Administration shall be structured to prevent excessive bureaucracy, provide more accessible services to the people and ensure the contribution of individuals interested in its efficient management. 3. The law shall establish the rights and guarantees of the citizens, namely against acts likely to affect their legitimate rights and interests. PART IV ECONOMIC AND FINANCIAL ORGANISATION TITLE I GENERAL PRINCIPLES Section 138 (Economic organisation) The economic organisation of East Timor shall be based on the combination of community forms with free initiative and business management, as well as on the coexistence of the public sector, the private sector and the co-operative and social sector of ownership of means of production. Section 139 (Natural resources) 1. The resources of the soil, the subsoil, the territorial waters, the continental shelf and the exclusive economic zone, which are essential to the economy, shall be owned by