What is the mandatory continuing professional development requirement (Weiterbildungspflicht) for licensed Swiss driving instructors?

1. At least 5 days (minimum 35 hours) of recognized professional further training within every 5-year period
2. One 2-hour online webinar every 10 years
3. Retaking the full federal Berufsprüfung examination every 3 years
4. There is no statutory continuing education requirement once the federal diploma is awarded