▁( O IF ) ▁Organisation ▁for ▁Econom ic ▁Co - operation ▁and ▁Development ▁( O E CD ) ▁Organ ization ▁for ▁Security ▁and ▁Co operation ▁in ▁Europe ▁( OS CE ) ▁Organisation ▁for ▁the ▁Pro hib ition ▁of ▁Chem ical ▁We ap ons ▁( OP C W ) ▁Organ ization ▁of ▁American ▁States ▁( O AS ) ▁( ob server ) ▁Pacific ▁Islands ▁Forum ▁( PI F ) ▁( part ner ) ▁Paris ▁Club ▁P erman ent ▁Court ▁of ▁Ar bitr ation ▁( P CA ) ▁Sch engen ▁Convention ▁Secret ariat ▁of ▁the ▁Pacific ▁Community ▁( SP C ) ▁S out heast ▁European ▁Cooper ative ▁In iti ative ▁( SE CI ) ▁( ob server ) ▁Union ▁Lat ine ▁United ▁Nations ▁( UN ) ▁United ▁Nations ▁Conference ▁on ▁Trade ▁and ▁Development ▁( UN CT AD ) ▁United ▁Nations ▁Edu c ational , ▁Scient ific , ▁and ▁Cultural ▁Organ ization ▁( UN ES CO ) ▁United ▁Nations ▁High ▁Commission er ▁for ▁Ref uge es ▁( UN H CR ) ▁United ▁Nations ▁Indust rial ▁Development ▁Organ ization ▁( UN ID O ) ▁United ▁Nations ▁Institute ▁for ▁Training ▁and ▁Research ▁( UN IT AR ) ▁United ▁Nations ▁Inter im ▁Force ▁in ▁Leb anon ▁( UN I FI L ) ▁United ▁Nations ▁Mission ▁for ▁the ▁Refer endum ▁in ▁Western ▁Sah ara ▁( MIN UR SO ) ▁United ▁Nations ▁Mission ▁in ▁Liber ia ▁( UN M IL ) ▁United ▁Nations ▁Mission ▁in ▁the ▁Central ▁African ▁Republic ▁and ▁Ch ad ▁( MIN UR CAT ) ▁United ▁Nations ▁Ob server