It endorses the 17 member ISSG as the main body dealing with the Syria peace process; ualidates the peace plan agreed to by the ISSG in Vienna last month, including a cease-fire between regeime and opposition in six months and talks leading to drafting a new constitution; and gives the UN a leading role in working with the regime and opposition on negotiating a ceasefire and drafting a constitution, which officials said is aimed at giving and international stamp on the peace process.