Categories Ministerial Decision Ministry of Transportation: Ministerial Decision 2/29/90 regarding Prohibiting the Entry or Exit of Oil Tankers Without Carrying Insurance Policies or Any Other Guarantee Post author By admin Post date July 31, 1990 Arabic Auto Translate Published in Official Gazette 437 issued on 15 August 1990. Tags Ministry of Transportation ← Royal Decree 57/90 Appointing a Commander of the Royal Navy of Oman → Ministry of Commerce and Industry: Ministerial Decision 55/90 Considering Certain Gulf Standard Specifications as Binding Omani Standard Specifications