GDPR and rail transport a customer’s gender identity is not necessary data for the purchase of a transport ticket
The Court of Justice of the European Union has ruled in Case C‑394/23 Mousse v CNIL and SNCF that asking customers to state their gender title (Mr or Ms) when buying train tickets is not necessary for the contract and may violate GDPR rules, especially the principle of data minimisation. Mousse (a LGTB association) complained…