The reason for this rare example of international cooperation is that the European Code of Social Security is based on the ILO Social Security (Minimum Standards) Convention, 1952 (No. 102).
开展这一鲜见的国际合作的原因在于《欧洲社会安全规则》是根据《1952年劳工局社会保障（最低标准）公约》（第102号）制订的。