They were to take all necessary measures to ensure compliance with Annex 1-A of the Peace Agreement and its right to defend itself against attacks or threats. Bosnia and Herzegovina also asked for an extension of the United Nations police force (the International Police Task Force) that was part of the United Nations Mission in Bosnia and Herzegovina (UNMIBH). The mandate of UNMIBH was extended until 21 December 1997 and the Security Council demanded that all United Nations missions worked together.