Categories Royal Decree Royal Decree 87/88 Issuing the Statistical Law 1988/87 87/1988 88/87 87/88 Post author By admin Post date December 17, 1988 Arabic Auto Translate Published in Official Gazette 398 issued on 1 January 1989. ← Ministry of Environment and Water Resources: Ministerial Decision 45/88 Establishing Well Protection Areas for the Water Supply Field in Salalah → Ministry of Commerce and Industry: Ministerial Decision 112/88 Issuing the Executive Regulation of the Muscat Securities Market Law