(4) No member of the armed forces in the active service shall, at any time, be appointed or designated in any capacity to a civilian position in the Government, including government-owned or controlled corporations or any of their subsidiaries. (5) Laws on retirement of military officers shall not allow extension of their service. (6) The officers and men of the regular force of the armed forces shall be recruited proportionately from all provinces and cities as far as practicable. (7) The tour of duty of the Chief of Staff of the armed forces shall not exceed three years. However, in times of war or other national emergency declared by the Congress, the President may extend such tour of duty. Section 6. The State shall establish and maintain one police force, which shall be national in scope and civilian in character, to be administered and controlled by a national police commission. The authority of local executives over the police units in their jurisdiction shall be provided by law. Section 7. The State shall provide immediate and adequate care, benefits, and other forms of assistance to war veterans and veterans of military campaigns, their surviving spouses and orphans. Funds shall be provided therefor and due consideration shall be given them in the disposition of agricultural lands of the public domain and, in appropriate cases, in the utilization of natural resources. Section 8. The State shall, from time to time, review to increase the pensions and other benefits due to retirees of both the government and the private sectors. Section 9. The State shall protect consumers from trade malpractices and from substandard or hazardous products. Section 10. The State shall provide the policy environment for the full development of Filipino capability and the emergence of communication structures suitable to the needs and aspirations of the nation and the balanced flow of information into, out of, and across the country, in accordance with a policy that respects the freedom of speech and of the press. Section 11. (1) The ownership and management of mass media shall be limited to citizens of the Philippines, or to corporations, cooperatives or associations, whollyowned and managed by such citizens. The Congress shall regulate or prohibit monopolies in commercial mass media when the public interest so requires. No combinations in restraint of trade or unfair competition therein shall be allowed. (2) The advertising industry is impressed with public interest, and shall be regulated by law for the protection of consumers and the promotion of the general welfare.