Categories Royal Decree Royal Decree 89/2011 Reinstating Omani Nationality 2011/89 89/2011 Post author By admin Post date September 13, 2011 Arabic Auto Translate Published in Official Gazette 943 issued on 17 September 2011. ← Ministry of Regional Municipalities and Water Resources: Ministerial Decision 140/2011 regarding Amending the Validity Period of Municipal Licences → Royal Decree 88/2011 Approving the Petroleum Agreement between the Government of the Sultanate of Oman and Petrotel Oman Offshore LLC for Block 40