In the event of a dispute, the consumer may resort to one of the following consumer arbitration centers (choose the one that applies to the area covered by the center):

CNIACC – National Center for Consumer Conflict Information and Arbitration | Faculty of Law, Universidade Nova de Lisboa Campus de Campolide, 1099-032 Lisbon | http://www.arbitragemdeconsumo.org
Consumer Disputes Arbitration Center of the District of Coimbra | Av. Fernão Magalhães, Nº 240, 1º, 3000-172 Coimbra | http://www.centrodearbitragemdecoimbra.com
(Article 18, Law No. 144/2015, of 8 September) | More information on the consumer portal: www.consumidor.pt