An alternative dispute resolution is a possibility that all consumers have at their disposal and official entities that help them in the resolution, or guidance of any conflict. The Online Dispute Resolution website is an official website run by the European Commission dedicated to helping consumers and merchants resolve their disputes before the courts: event = main.home.chooseLanguage


Customers who are defined as consumers by Law 144/2015 and who have entered into purchase and sale and / or provision of services contracts have the right to resort to official entities that assist them in resolving any conflict concerning such contracts, without prejudice to the use of judicial courts. The updated list of Alternative Dispute Resolution entities available under the terms of article 17 of Law no. 144/2015, of 8 September, are listed on the Consumer Portal, accessible through the website For more information you can also consult Law 144/2015. We also inform you that, to settle disputes that originate from online purchases, you can resort to a resolution system, called “ODR Platform - Online Dispute Resolution / RLL”, created by the EU.


In any case, you can contact one of the centers designated below.


Alternative Dispute Resolution Entities:


CNIACC - National Center for Information and Arbitration of Consumer Conflicts


CIMAAL - Center for Information, Mediation and Arbitration of Consumer Conflicts in the Algarve


Consumer Disputes Arbitration Center of the District of Coimbra


Lisbon Consumer Conflict Arbitration Center


Porto Consumer and Arbitration Information Center


Vale do Ave Consumer Conflict Arbitration Center / Arbitral Tribunal


European Online Dispute Resolution Platform: