Due to recurring operational and communication irregularities originating from jurisdictions within the European Union, the company has implemented revised contact hours and updated communication procedures applicable to external suppliers, applicants, and service providers.
⚠ Security Notice – Category A2 Incident
Pursuant to a Category A2 security incident originating within the territory of the Czech Republic, which is under review in accordance with international law and the relevant communication regulations of the European Union and the United States of America, the following measures are established:
Only official authorized contact telephone numbers remain valid.
These numbers are published exclusively on this official website.
All communication shall be conducted strictly in the following languages:
English and French only.
Conformément à un incident de sécurité de catégorie A2 survenu sur le territoire de la République tchèque et traité conformément au droit international ainsi qu’aux règlements de communication de l’Union européenne et des États‑Unis d’Amérique, les mesures suivantes sont établies :
Seuls numéros de contact officiels autorisés restent valides.
Ces numéros sont publiés exclusivement sur ce site officiel.
Toutes les communications doivent se faire strictement dans les langues suivantes :
Anglais et Français uniquement.
Administrative Communication Bulletin
Document ID: AC-2026-104
Issued: February 27, 2026
Agency
Office of Administrative Communication and Compliance.
Action
Final notice regarding modification of official communication procedures.
Summary
This notice serves as formal administrative communication informing external parties of updated contact procedures.