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Visa & Invitation Letter

Navigating Visa Requirements for Your Visit to France
As you prepare to attend the World Conference on Materials Science and Nanotechnology (WCMSN-2026) in Paris, it’s essential to understand the visa process and make arrangements in advance.
Tourist Visa:
Many nationalities are permitted to enter France and the Schengen Area visa-free for up to 90 days for tourism purposes. We recommend checking the official French government visa portal or contacting the nearest French consulate or embassy to confirm your country’s specific requirements.
Business Visa (Short-Stay Visa - Type C):
Attending a conference such as WCMSN-2026 qualifies as a business activity. If your nationality requires a visa, you will likely need to apply for a short-stay business visa (Type C). This visa allows you to participate in events, meetings, and academic conferences.
Invitation Letter Process:
To obtain an official invitation letter from the WCMSN-2026 organizing committee:
  • You must first complete your registration for the conference.
  • Invitation letters are issued only upon request and after your registration is confirmed.
  • Please note: While we provide invitation letters for visa purposes, we cannot guarantee visa approval, as this decision lies solely with the French authorities.
Plan Ahead:
Visa processing times can vary depending on your location and individual circumstances. It is highly recommended to begin your visa application well in advance of your travel dates. Consult your local French embassy or consulate for a complete list of required documents and up-to-date processing timelines.


Secure your participation in WCMSN-2026, from March 09–11, 2026, in the heart of Paris, France. Ensure a smooth and successful trip by preparing your visa application early and following the steps above.