Faroe Islands and the European Union Schengen Area are not subject to border controls, although there may be identity checks when checking in for flights. Charges for international services such as phone roaming and bank transfers are much higher than inside the EU. In July 2013 EU imposed sanctions on the Faroe Islands due to a dispute over the fishing quota of herring and mackerel. The boycott which started on 28 August 2013 banned Faroese vessels carrying herring or mackerel from all EU ports, including Denmark, Sweden and Finland. The Faroe Islands could no longer export herring or mackerel to EU countries. The boycott was lifted
Fishing in Portugal preserve the codfish; drying and salting are ancient techniques to keep many nutrients and the process makes the codfish tastier. The Portuguese tried to use this method of drying and salting several fishes from their waters, but the ideal fish came from much further north. With the "discovery" of Newfoundland in 1497, Portuguese fishermen started fishing its cod-rich Grand Banks. Thus, ' became a staple of the Portuguese cuisine, nicknamed ' (faithful friend). From the 18th century the town of Kristiansund in Norway became an important place of producing bacalao or klippfish, which is also exported to Portugal. In Portugal,