The secret back-channel negotiations were interested to supplement the official negotiations and give the process new vitality and impetus. It was suggested that a DOP agreed upon in Oslo be presented in the official negotiations as an American document. However, the United States seems never to have been fully informed about the back channel and did not take it seriously. When Israel and the PLO began to negotiate a mutual recognition, it was decided that the DOP world have to be concluded in the Oslo channel.