CONFLICT RESOLUTION

In the event of a dispute or conflict, the consumer may resort to the Alternative Resolution of Consumer Disputes (commonly known as RAL), which covers mediation, conciliation and arbitration.
You can consult the list of entities here https://www.consumidor.gov.pt/parceiros/sistema-de-defesa-do-consumidor/entidades-de-resolucao-alternativa-de-litigios-de-consumo/ral-mapa -e-entity-list.aspx

More information at the Consumer Portal www.consumidor.gov.pt