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Ethical Complaints Mailbox contact form

This form does NOT collect complaints and claims related to ONCE raffles, games and lotteries. If your complaint is related to raffles, games, lotteries and/or points of sale, you can transmit your you can send your complaint to the Complaints and Claims Mailbox at

The form below corresponds to the Ethical Complaints Mailbox and will be sent to the the Transparency and Ethics Observatory of the ONCE Social Group, which will treat your comments with the utmost confidentiality. Identify the matter you want to communicate with our team about and explain it as fully as you need. All fields marked with an asterisk are required:

Aceptación de términos legales
El/la titular de los datos manifiesta lo siguiente: