Categories Royal Decree Royal Decree 58/88 Granting Omani Nationality 1988/58 58/1988 88/58 58/88 Post author By admin Post date June 25, 1988 Arabic Auto Translate Published in Official Gazette 386 issued on 2 July 1988. ← Royal Decree 59/88 Granting Omani Nationality → Agreement on Economic and Technical Cooperation between the Government of the Sultanate of Oman and the Belgium-Luxembourg Economic Union