Decides to extend the mandate of the United Nations Mission in Sudan (UNMIS) until 30 Apr. 2009; requests the Secretary-General to report to the Council every 3 months on the implementation of the mandate of UNMIS, progress on implementation of the Comprehensive Peace Agreement (CPA), and respect for the ceasefire and to provide an assessment and recommendations; requests UNMIS to provide technical and logistical support to help the parties in the process of demarcation of the 1956 North/South border; requests UNMIS to coordinate with partners to facilitate sustainable returns; requests UNMIS to coordinate with humanitarian, recovery and development agencies to facilitate the provision of recovery and development assistance; requests Secretary-General to submit for the Council's consideration a report on possible measures UNMIS could take to assist, with the implementation of a future Final Peace Agreement between the Government of Uganda and the Lord's Resistance Army (LRA); requests the Secretary-General to continue to take the necessary measures to ensure full compliance in UNMIS with UN zero-tolerance policy on sexual exploitation and abuse and to keep the Council informed.