National Communication Act No. 24 (a) conduct all activities in accordance with generally accepted international standards and specifications; (b) take necessary steps to protect the environment from harmful effects of power radiation; (c) comply with the rules and standards relating to power of transmitting equipment, sizes and height of towers and requirements relating to propagation range; and (d) Licensees shall ensure that use of their equipment do not cause harm to the health or safety of human beings or other living organisms. CHAPTER XVII NATIONAL, REGIONAL, AND INTERNATIONAL OBLIGATIONS 90. 91. Adherence to Laws and Regulations. (1) The Authority shall enforce compliance by Licensees to requirements of the law relating to national security, defense, emergencies and national, regional and international policies and regulations. The Authority shall co-ordinate activities with South Sudan regulatory bodies and with the entities that are providing complimentary communication services. (2) Licensees shall observe international laws and regulations to which South Sudan is a party in relation to communications and shall offer their services in accordance with the standards and specifications that are duly approved by the Authority. Agreements. (1) Licensees shall honor local, regional and international agreements in the field of communications to which the Government of South Sudan or the Authority are parties. (2) The Authority shall validate and approve agreement with local and external agencies related to communication services in accordance with the regulations that are issued pursuant to this Act. (3) Licensees shall submit any local, regional or international agreements they enter into with any other party to the Authority. (4) The South Sudan National Armed Forces National Security Agency or other enforcement agencies of South Sudan shall not enter into agreements concerning communication services without the express authorization of, the Authority. 43