Categories Royal Decree Royal Decree 6/98 Amending the Social Insurance Law 1998/6 6/1998 98/6 6/98 Post author By admin Post date February 23, 1998 Arabic Auto Translate Published in Official Gazette 618 issued on 1 March 1998. ← Royal Decree 2/98 Issuing the Real Estate Register System → Royal Decree 10/98 Ratifying the Agreement for the Avoidance of Double Taxation and the Prevention of Tax Evasion for Taxes on Income between the Government of the Sultanate of Oman and the Government of the Republic of Tunisia