Categories Treaty Riyadh Arab Agreement for Judicial Cooperation اتفاقية الرياض العربية للتعاون القضائي Post author By admin Post date May 8, 1999 Arabic Ratified by Royal Decree 34/99. ← Royal Decree 34/99 Ratifying the Riyadh Arab Agreement for Judicial Cooperation → Agreement for the Avoidance of Double Taxation on Income Derived from International Air Transport between the Government of the Sultanate of Oman and the Government of the Kingdom of Sweden