within 180 days imposed on visa-free 'Annex II' nationals. In such instances, the period of additional stay depends on the specific visa waiver agreement, and only applies if the 'Annex II' national has used up their maximum stay limit as provided for under the Schengen Area. Means of subsistence In addition to general requirements, Schengen states also set entry conditions for foreign nationals of countries outside the EU single market called the "reference amounts required for the crossing of the external border fixed by national authorities" regarding means of subsistence during their stay. Visa policies of Ireland and overseas territories Ireland has an independent visa policy. It grants visa-free entry to all Schengen Annex II nationalities, except for Albania, Bosnia and Herzegovina, Colombia, East Timor, Georgia, Marshall Islands, Mauritius, Micronesia, Moldova, Montenegro, North Macedonia, Palau, Peru, Serbia and Venezuela. It also grants visa-free entry to several additional countries Belize, Bolivia, Botswana, Eswatini, Fiji, Guyana, Lesotho, Maldives, Nauru and South Africa. Visas for Ireland and for the Schengen Area are not valid for each other. Ireland is part of the Common Travel Area and maintains freedom of movement with the United Kingdom in addition to with EU and Schengen countries. The British overseas territory of Akrotiri and Dhekelia has open borders with Cyprus and follows the visa policy of the Schengen Area, but requires permits for stays longer than 28 days per 12-month period. These rules were not affected by Brexit. Overseas France and the Caribbean part of the Kingdom of the Netherlands have individual visa policies that are mostly aligned with the Schengen Area, with some exceptions and additions. The Faroe Islands and Greenland have the same list of nationalities exempt from visas as the Schengen Area, and arrivals from the Schengen Area are not subject to border checks. However, Schengen visas are not valid there, so nationalities that are not exempt need separate visas for these territories. These regulations are due to a special agreement under the Nordic Passport Union. Svalbard is an entirely visa-free zone. Travellers to and from Svalbard must present a passport or national ID card. Travellers who need a visa for the Schengen Area must have such visa if they travel to Svalbard via mainland Norway, and this must be a double-entry visa if they also return from Svalbard via mainland Norway. Visa policies of candidate and applicant states Countries applying to join the European