Categories Treaty Universal Postal Convention اتفاقية البريد العالمية Post author By admin Post date May 12, 1977 Unfortunately, the text of this treaty is unavailable. Ratified by Royal Decree 38/77. ← Royal Decree 35/77 Promulgating the Community Housing Law → Royal Decree 40/77 Promulgating the Law of Compensation for Work Injuries and Occupational Diseases