Labour Control And Supervision
Table 2:
| Types of risks | Classes (categories) of danger | The official categorizing risks | Frequency of scheduled inspections |
| High | Class 2 | A decision of the chief federal labour inspector (deputy chief inspector) | Once every 2 years |
| Significant | Class 3 | A decision of the chief regional labour inspector (deputy chief inspector) | Once every3years |
| Average | Class 4 | Not more than once every 5 years | |
| Moderate | Class 5 | Not more than once every 6 years | |
| Low | Class 6 | No decision on the risk category |