Visa

Requests for a VISA invitation letter are only available for fully paid or free registrations. You can submit your request through the Online portal. Attendees can find more information on the VISA page here.

Citizens of the European Union, Andorra, Iceland, Liechtenstein, Norway and Switzerland only need their identity documents to enter Portugal.
All minors, in addition to their identity document, must present parental authorisation to travel.
For countries that are exempt from visa requirements to enter the Schengen Area, for stays that do not exceed 90 days, a passport valid for more than three months after the end of the stay is required.
Following the Convention implementing the Schengen Agreement, passengers travelling to or from another Schengen State do not need a new visa as this is considered to be an internal flight.
Citizens from other States need a visa to enter Portugal, which may be requested from the Portuguese Consulate or Embassy in the respective country, for stays of up to 90 days.


Further information at:

Visa-related reimbursement policy

Please be advised that if visa applications are submitted less than 45 days before the event, Attendees will not be eligible for a refund of registration fees in the case of a visa refusal. We strongly recommend submitting visa applications well in advance to ensure timely processing and avoid any complications. Registered participants who face attendance barriers due to Visa delays or rejections can apply for a refund of their registration fee by the first day of the event, but no later than week after the congress ends. A 50 EUR administrative fee will be charged in case of reimbursement. Please contact the ICM Congress Secretariat 2026 with a copy of your Visa decision letter.