Contacting the Mediator
Complaints may be filed with the Mediator either online or by post. Please explain the situation as clearly as possible and include any supporting evidence. Regarding breaches of regulations, the customer must carefully describe the precise circumstances of the breach of regulations and the points that are contested.
RATP Group Mediator (Médiateur du groupe RATP)
54 Quai de la Rapée
75599 Paris Cedex 12