CID
在2008年，集团决定采用专有的认证体系（CID），确保在法国和海外的客户有最好的操作规范体验
其目标为：
所有部门都参与CID项目，定义职责与责任，同时CID项目的设计符合脚踏实地、与时俱进的要求
每两年，每个站点被要求通过一次内部审计，通过一次有名望的外部机构审计
至今：
IDL同时也有下面这些认证
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