Categories Treaty International Plant Protection Convention الاتفاقية الدولية لوقاية النبات Post author By admin Post date December 24, 1988 Download Ratified by Royal Decree 88/88. ← Ministry of Commerce and Industry: Ministerial Decision 112/88 Issuing the Executive Regulation of the Muscat Securities Market Law → Royal Decree 97/88 Ratifying Some of the Documents of the Arab Postal Union