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. ← Royal Decree 88/88 Approving the Accession of the Sultanate of Oman to the International Plant Protection Convention → Agreement on Economic and Technological Cooperation between the Government of the Sultanate of Oman and the Government of the Italian Republic