5. Welcomes the efforts being undertaken by the United Nations Disengagement Observer Force to implement the Secretary-General's zero-tolerance policy on sexual exploitation and abuse and to ensure full compliance of its personnel with the United Nations code of conduct, requests the Secretary-General to continue to take all necessary action in this regard and to keep the Security Council informed, and urges troop-contributing countries to take preventive and disciplinary action to ensure that such acts are properly investigated and punished in cases involving their personnel;