Passport holders from The European Union, Iceland, Norway, and Switzerland do not require a visa to enter Portugal.
For visits not exceeding ninety days per six-month period, visas are not required for holders of valid passports issued by the following countries or dependencies: Albania, Andorra, Antigua and Barbuda, Argentina, Australia, Bahama, Barbados, Bosnia Herzegovina, Brazil, British nationals (Overseas), British overseas territories citizens (BOTC), British overseas citizens (BOC), British protected persons (BPP), British subjects (BS), Brunei Darussalam, Canada, Chile, Costa Rica, Croatia, Dominica, El Salvador, Grenada, Guatemala, Honduras, Hong Kong Special Administrative Region, Israel, Former Yugoslav Republic of Macedonia (FYROM), Japan, Korean Republic, Liechtenstein, Macao Special Administrative Region, Malaysia, Mauritius, Mexico, Monaco, Montenegro, New Zealand, Nicaragua, Northern Mariana Islands (passports from the US), Panama, Paraguay, St. Kitts and Nevis, St. Lucia, St. Vincent and Grenadines, Samoa, San Marino, Serbia, Seychelles, Singapore, Taiwan (only holder of passports which contain identity card number), Trinidad and Tobago, United Arab Emirates, Uruguay, USA, Vatican City, Venezuela, Vanuatu.
If you live in an area that is not eligible for a VISA waiver/exemption or are unsure of whether or not you need to apply for a short-term VISA to enter Portugal to attend ICSE, please click here or contact the Portuguese Embassy in your home country to receive guidance on the application process and necessary documents.
Not clear if you need a visa? Check who needs a visa (Portuguese Embassy Source).
Warning: Make sure to apply for visa support promptly.
The ACM does not issue formal invitation letters for visas to attend ICSE and associated workshops/symposia. They can, however, provide a visa support letter. For visa support letters, please send all requests to the Office of SIG Services with the following information:
- Name (as it appears on your passport) and mailing address.
- The name of the conference you wish to attend (ICSE).
- Your registration confirmation number.
- Authors may indicate their paper title. Speakers can provide the title of their talk.
- Include a fax number or email address where the letter can be sent.
See the ACM Visa Support Letters page for updates to this policy.