▁arm aments ▁on ▁both ▁sides ▁of ▁the ▁area . ▁It ▁also ▁called ▁for ▁the ▁establishment ▁of ▁a ▁United ▁Nations ▁observer ▁force ▁to ▁super v ise ▁its ▁implementation . ▁The ▁Ag re ement ▁was ▁signed ▁on ▁ 3 1 ▁May ▁ 1 9 7 4 ▁and , ▁on ▁the ▁same ▁day , ▁the ▁UN ▁Security ▁Council ▁adopted ▁Resol ution ▁ 3 5 0 ▁to ▁set ▁up ▁U ND OF . ▁ ▁On ▁ 3 ▁June ▁ 1 9 7 4 ▁General ▁Br ic eno ▁from ▁Peru ▁arrived , ▁from ▁C airo , ▁at ▁the ▁headquarters ▁of ▁the ▁UN T SO ▁IS MA C ▁House ▁in ▁Dam asc us ▁and ▁assumed ▁oper ational ▁command ▁of ▁all ▁UN T SO ▁Ob ser vers ▁detailed ▁to ▁U ND OF . ▁The ▁first ▁phase ▁of ▁the ▁operation ▁was ▁man ning ▁the ▁observation ▁posts . ▁The ▁UN T SO ▁obser vers ▁were ▁transferred ▁to ▁U ND OF ▁on ▁ 1 ▁June ▁ 1 9 7 4 ▁and ▁were ▁joined ▁by ▁advanced ▁parties ▁from ▁both ▁Austria ▁and ▁Peru ▁on ▁ 3 ▁June , ▁with ▁Canadian ▁and ▁Polish ▁personnel ▁transferred ▁from ▁U NE F ▁II ▁to ▁the ▁U ND OF ▁Area ▁of ▁Res p ons ibility . ▁ ▁From ▁ 6 ▁June ▁ 1 9 7 4 ▁to ▁ 2 5 ▁June ▁ 1 9 7 4 , ▁the ▁second ▁phase , ▁which ▁included ▁the ▁physical ▁dis eng agement ▁of ▁Sy rian ▁and ▁Isra eli ▁forces , ▁was ▁initi ated . ▁The ▁Aust ri ans ▁and ▁Polish ▁shared ▁a ▁base ▁camp