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Newcomer Glossary

Quick answer: Quick definitions of common CERN, cross-border, and onboarding terms used across this guide.

Building 55

Admin

Main CERN admin point used by many newcomers for access-card and identity-related steps.

See also: First Weeks Guide

Users Office

Admin

CERN service that supports users with onboarding administration and access procedures.

See also: First Weeks Guide, FAQ

Frontalier

Legal

Cross-border worker who lives in one country (often France) and works in another (Switzerland).

See also: Frontalier Guide, CERN Taxation

Permis G

Legal

Swiss cross-border permit category commonly relevant for frontaliers employed in Switzerland.

See also: Permits & Registration

LAMal

Health

Swiss mandatory health insurance system that may apply depending on your residence and status.

See also: Health Insurance

CMU

Health

French health coverage option sometimes selected by eligible residents in France.

See also: Health Insurance

TPG

Transport

Geneva public transport operator used by many CERN commuters (trams, buses, connections).

See also: Transportation

E-guide

Admin

CERN administrative reference site with official onboarding and policy guidance.

See also: FAQ

Review and maintenance

Maintained by Efrén Rodríguez Rodríguez. Content and official sources are reviewed quarterly.

  • Verify legal deadlines and authority links
  • Recheck transport timetables and stop names
  • Revalidate tax thresholds and rates
  • Confirm CERN service URLs and portal names