Secretary General of the Gulf Cooperation Council (GCC) Abdul-Rahman Al-Atiyyah has lauded the approval of Sultan Qaboos of Oman and the current Chairman of the GCC Supreme Council, the agreement of free trade signed by the GCC member states and Singapore on December 15, 2008. Al-Atiyyah highlighted the efforts of Sultan Qaboos and other GCC leaders for implementing the resolutions of the GCC Supreme Council.