re ement ▁further ▁prolong ing ▁for ▁One ▁Year ▁the ▁Tre aty ▁of ▁Friend ship , ▁Com merce ▁and ▁Navigation ▁[ between ▁Great ▁Britain ▁and ▁Mus cat ▁( O man )] ▁of ▁ 1 9 ▁March ▁ 1 8 9 1 ▁ 1 9 2 0 ▁– ▁Convention ▁between ▁the ▁United ▁Kingdom ▁of ▁Great ▁Britain ▁and ▁Ireland ▁and ▁the ▁Netherlands ▁renew ing ▁for ▁a ▁Further ▁Period ▁of ▁Five ▁Years ▁the ▁Convention ▁providing ▁for ▁the ▁S ett lement ▁by ▁Ar bitr ation ▁of ▁C ertain ▁Class es ▁of ▁Question s ▁which ▁may ▁arise ▁between ▁the ▁Two ▁Govern ments ▁of ▁ 1 5 ▁February ▁ 1 9 0 5 ▁ 1 9 2 0 ▁– ▁Exchange ▁of ▁Notes ▁const itut ing ▁an ▁Ag re ement ▁between ▁the ▁Government ▁of ▁the ▁United ▁Kingdom ▁of ▁Great ▁Britain ▁and ▁Ireland ▁and ▁the ▁Imperial ▁Pers ian ▁Government ▁modifying ▁the ▁Com mer cial ▁Convention ▁of ▁ 9 ▁February ▁ 1 9 0 3 ▁ 1 9 2 1 ▁– ▁Ag re ement ▁further ▁prolong ing ▁for ▁One ▁Year ▁the ▁Tre aty ▁of ▁Friend ship , ▁Com merce ▁and ▁Navigation ▁[ between ▁Great ▁Britain ▁and ▁Mus cat ▁( O man )] ▁of ▁ 1 9 ▁March ▁ 1 8 9 1 ▁ 1 9 2 2 ▁– ▁Convention ▁between ▁the ▁United ▁Kingdom ▁of ▁Great ▁Britain ▁and ▁Ireland ▁and ▁Den mark ▁renew ing ▁for ▁a ▁Further ▁Period ▁of ▁Five ▁Years ▁the ▁Convention ▁providing ▁for ▁the ▁S ett lement ▁by ▁Ar bitr ation ▁of ▁C ertain ▁Class es ▁of ▁Question s ▁which ▁may ▁arise