Knowing when to repeat safety instruction in Germany means separating two sources: the act names occasions but no interval, and the interval everybody quotes comes from accident-insurance law instead. Get that wrong in front of the labour inspectorate and you have cited the wrong basis for your own compliance. Our free reference tool sorts the duties by occasion with the provision beside each value.
The duty, and the missing number
§ 12 of the Occupational Safety and Health Act (ArbSchG) requires instruction on hire, on changes to someone's duties and on new work equipment, each time before the activity starts, and afterwards "regularly where necessary" (§ 12 ArbSchG). The act names no interval, and that is deliberate: the provision is written by purpose, so the instruction has to track how hazards actually develop.
The regular rhythm comes from accident-insurance law: at least once a year, for all insured persons, under § 4 of DGUV Vorschrift 1 (DGUV Vorschrift 1). Attributing the annual duty to the ArbSchG means citing the wrong basis, and that is noticed by the labour inspectorate and the employers' liability insurance association.
Topic-specific intervals, same number
The relevant ordinances repeat the annual rhythm for their own subjects: the workplace ordinance (§ 6 ArbStättV), the industrial safety ordinance (§ 12 BetrSichV), the hazardous substances ordinance (§ 14 GefStoffV) and the biological agents ordinance (§ 14 BioStoffV).
Only one interval is shorter: young workers must be instructed at least every six months (§ 29 JArbSchG). That is where companies with apprentices most often slip, because the annual rhythm is so deeply ingrained.
The occasion beats the calendar
The annual rhythm is the floor, not the plan. § 12 ArbSchG names three occasions that trigger instruction regardless of the calendar, each of them before the activity starts: hiring, a change in someone's duties, and the introduction of new work equipment or a new technology.
In practice that means a new machine on the floor, a different hazardous substance on the shelf, a reordered work sequence or a transfer to another area are each their own trigger. Push them into the next annual round and the period in between is covered by no matching instruction, and that period is precisely when something goes wrong, because something is new.
This is why the tool is organised by occasion rather than by date. The calendar only answers when the duty comes back at the latest; whether instruction is due right now is answered by the occasion.
Roles are not instruction
Multi-year intervals exist only for roles: two years for first aiders, three for company paramedics. These qualifications sit alongside the annual instruction; they do not replace it.
The confusion is expensive because it sounds plausible: someone fresh from a first-aid refresher looks trained. They are, for their role, not for their workplace. The same applies to fire safety helpers and forklift operators: separate qualification, separate logic.
Who instructs, and what counts
The employer is responsible and may delegate the task in writing to reliable and competent persons; no particular certification is prescribed for the instructor. The occupational safety specialist supports and advises but does not assume the duty. For hazardous substances, occupational-medical and toxicological advice is part of the instruction and may need the company doctor's involvement.
Two points that regularly get lost: the instruction takes place during working hours, explicitly under § 12(1) ArbSchG; and the employer may not pass the cost of measures under the act on to employees. The accident prevention regulation repeats this and makes a breach an administrative offence.
What this means in practice
The hard part is rarely the interval. It is the twelfth run through the same slides in front of people who could recite the content and would still hesitate in an emergency. An annual duty produces attendance; whether it produces behaviour depends on the format.
That is where practice shifts something. An evacuation, an extinguisher attempt, a hand on an isolated machine, done rather than described, lands differently. Formally nothing changes: the instruction remains the employer's duty, the documentation remains, the interval remains. What changes is what people take away. The evidence, with its caveats, is in why VR training is more effective than traditional training, and the format question in VR vs e-learning for compliance training.
For escape routes and signage, which appear in almost every instruction session, the technical rule on fire protection measures is a useful companion (BAuA, ASR A2.2), alongside our ISO 7010 safety signs index.
Related tools
Duties differ sharply between countries, so we keep them apart: required safety training for Poland and OSHA training requirements for the United States, each in its own language. When the cost question follows, the VR training ROI calculator handles it, and the VR training catalogue shows which topics are ready. Everything else is in our free tools.
