Spain is part of the European Union (EU) and participant of the Schengen Agreement, which includes 26 European countries (all EU countries except UK, Ireland, Romania, Bulgaria, Croatia and Cyprus, plus four non-EU countries). This means that once you enter one of the Schengen countries there are no internal EU border controls and you do not need your passport to cross internal EU borders. The 26 countries are listed in https://www.schengenvisa.cc/
Citizens of any State of the European Union, Switzerland, Norway, Iceland, and Lichtenstein only require a National Identity Card or valid passport.
Non-EU citizens visiting Spain need a visa in order to enter and visit Spain, unless there is a special agreement between Spain and their home country.
Canadian and U.S. citizens may enter the Schengen area (and Spain) for up to 90 days for tourist or business purposes without a visa, but the passport must be valid for at least three months beyond the period of stay.
The nationals of the following countries are subject to visa requirement to enter or transit the Schengen area. Citizens requiring a visa to attend the Conference are requested to obtain the proper documents in advance.
CENTRAL AFRICAN REPUBLIC
DEM. REP. OF CONGO
PAPUA NEW GUINEA
SAO TOME AND PRINCIPE
ST VINCENT & THE GRANADINES
TRINIDAD AND TOBAGO
UNITED ARAB EMIRATES
Visas are managed by the Spanish Ministry of Foreign Affairs through its consulates and embassies around the world.
You should apply for and obtain a visa through the Spanish consulate nearest to your residence before you travel. Honorary consuls generally cannot issue visas but may provide application forms.
Since visas are never issued in Spain, you must apply for them before you leave your country of residency. Do not attempt to enter Spain without a visa, since you will probably be refused the entry. There is no emergency procedure, you cannot influence the police and your embassy in Spain cannot help if you don’t have a visa.
Generally, you should apply for your visa about 8-12 weeks before the date of your arrival in Spain. You must first have a valid passport with at least three months until expiry in order to apply, so be sure to allow adequate time to obtain or renew both the passport and get the visa application processed.
Each Spanish consulate has different visa application procedures. You must call the consulate that has jurisdiction over your state of permanent residence (refer to list of consulates) to find out which procedure applies. You should address all questions concerning requirements and procedures for visa applications to your designated Spanish Consulate.
The process for obtaining a European Schengen visa normally requires you to provide the following materials:
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If needed, when registering you can request an invitation letter to the technical secretariat that can be used to accompany your visa application to attend the conference.
The invitation letter will be sent after the participant has been registered and the registration fee has been received.