 Complete the following phrase:  The settlement proposal contained a negotiated compromise. Described as a working arrangement which would in no way constitute recognition of the legality of the South African presence in and administration of Namibia, it allowed South Africa, through an Administrator-General designated by it, to administer elections, but under United Nations supervision and control exercised through a Special Representative of the Secretary-General, who would be assisted by a United Nations Transition Assistance Group UNTAG. Later in 1978, the UN Security Council approved a resolution with a specific, timetabled plan for SADF withdrawal and Namibian elections and authorized UNTAG, with a combined military and civilian force, to facilitate the transition to independence. The plan depended on an agreement on a so-called D-Day for the beginning of the ceasefire. However, by that point, South Africa had been drawn into the 