Categories Treaty International Convention on Tonnage Measurement of Ships الاتفاقية الدولية لقياس حمولة السفن Post author By admin Post date August 27, 1990 Download Ratified by Royal Decree 61/90. ← Office of Deputy Prime Minister for Finance and Economic Affairs: Finacial Circular 8/90 regarding the System for Issuing, Registering, and Preserving Financial Documents and Registers → Royal Decree 66/90 regarding the Accession of the Sultanate of Oman to the Convention for the Suppression of Unlawful Acts against the Safety of Maritime Navigation and the Protocol for the Suppression of Unlawful Acts against the Safety of Fixed Platforms Located on the Continental Shelf