Acting under Chapter VII of the United Nations Charter, the Council extended the mandate of the multinational force in Iraq until 31 December 2006, to be reviewed by 21 June 2006.[4] It could be terminated at any time by the request of Iraq.[2] At the same time, arrangements for depositing proceeds from export sales of petroleum, petroleum products, and natural gas into the Development Fund for Iraq, and its monitoring by the International Advisory and Monitoring Board, were extended until 31 December 2006.