What first-aid equipment (Verbandskasten / Trousse de secours) is legally mandatory on board a Swiss Category D passenger coach?

1. Any sealed kit, even if its contents and expiry-sensitive items have not been checked
2. A kit meeting a foreign passenger-car standard, assumed automatically sufficient for every Swiss coach service
3. The first-aid equipment specified for the approved vehicle and service, complete, in date where applicable, accessible, and kept in its marked location
4. Only a personal kit carried by the driver, with no marked location accessible to others