Publisher information
Legal notice
Legal information governing the use of the Guest App published by La 21ème Planche.
Last updated : 18 July 2026
Publisher
The Guest App is published by SARL La 21ème Planche, a French limited liability company with share capital of €1,000.
SIREN: 854 042 918. SIRET: 854 042 918 00029. EU VAT number: FR60854042918. Registered with the Caen Trade and Companies Register. APE code: 9609Z.
Registered office: 4 rue William Kennedy Ferguson, 14400 Saint-Martin-des-Entrées, France. Telephone: +33 (0)2 31 93 21 41. Email: contact@la21emeplanche.com.
Publication director and hosting
The publication director is Mathis ADAM, co-manager of La 21ème Planche.
The Guest App is hosted by Vercel Inc., 440 N Barranca Ave #4133, Covina, CA 91723, United States, or any legal successor.
Intellectual property
The interface, design, icons, illustrations, text, photographs, guides, logos, documents and other content available in the Guest App remain the property of La 21ème Planche or their respective owners. Reproduction without prior written permission is prohibited.
Applicable law
This legal notice is governed by French law. If translated versions differ, the French version prevails.