Categories Treaty Vienna Convention on the Law of Treaties اتفاقية فيينا لقانون المعاهدات Post author By admin Post date August 28, 1990 Download Ratified by Royal Decree 63/90. ← Office of Deputy Prime Minister for Finance and Economic Affairs: Ministerial Decision 35/90 Publishing the Final Account of the State for the Fiscal Year Ending on 31/12/1989 → Royal Decree 71/90 Adopting the Organisational Structure of the Office of the Minister of State and Governor of Dhofar