| Value | Category | 
|---|---|
| 1 | On-the job training, internship | 
| 2 | Probation period | 
| 3 | Seasonal work | 
| 4 | Occasional/daily work | 
| 5 | Public employment programme | 
| 6 | Work as a replacement/substitute | 
| 7 | Work for a service or specific task | 
| 8 | Chain contract | 
| 9 | Other (specify) | 
| 99 | NR |