VISA and Invitation Letter

Visa Requirements and Letter of Invitation

#NanoSeries2024 team and the organizing committee of the conference would like to inform you that, beyond providing the notification of invitation letter issued by NanoSeries and the conference committee board, we are not authorized to offer further assistance in the VISA application process. If your application is denied, please be advised that NanoSeries and the organizing committee cannot influence the decision of the Ministry of Foreign Affairs. Additionally, we are unable to engage in discussions or correspondences with the Embassy on behalf of the applicant. We appreciate your understanding and cooperation in this matter.

Some useful links:

  • Portuguese Ministry of Foreign Affairs’ visa information page
  • Useful information (search for the “Entry formalities” topic)


    Letter of Invitation

    If you need a letter of invitation to support your visa application, kindly submit a formal request to conference organizers for the issuance of such a letter.

    In order to provide the the invitation letter, the requesting party must meet at least one of the following criteria:

    Authorship: Be an author of an accepted submission, which could include an invited talk, oral presentation, or poster presentation.

    Registration: Must be the registered participant of #NanoSeries2024 conference.

    In your request, please ensure to include the following essential information:

    Title: Specify your title (e.g., Dr., Professor, Mr., Mrs., Miss, Ms, etc.).

    Full Name: Provide your complete name, clearly indicating your family name and given name.

    Organization: Mention the name of your organization.

    Mailing Address: Include your full mailing address.

    Contact Numbers: Provide your telephone and fax numbers.

    Email Address: Share a valid email address for communication purposes.

    Passport Copy: Attach a copy of your passport to complete the request.

    By furnishing this information, you help facilitate the efficient processing of your request for a letter of invitation. This document is crucial for supporting your visa application and ensuring your smooth participation in the conference. If you have any further inquiries or specific requirements, feel free to communicate them in your request.