Categories Treaty Protocol Amending the Convention on International Civil Aviation بروتوكول تعديل اتفاقية الطيران المدني الدولي Post author By admin Post date November 5, 2003 Unfortunately, the text of this treaty is unavailable. Ratified by Royal Decree 84/2003. ← Agreement between the Government of the Sultanate of Oman and the Government of the Republic of Seychelles for the Avoidance of Double Taxation and the Prevention of Fiscal Evasion with Respect to Taxes on Income → Protocol on the Authentic Six-Language Text of the Convention on International Civil Aviation (Chicago, 1944)