Each ASSIGNMENT
| must be categorised in one and only one AREA OF WORK | |
| must be fulfilled by one and only one EMPLOYEE IN ORGANISATION | |
| must be classified by one and only one OCCUPATION CODE TYPE | |
| must be an assignment for one and only one POSITION | |
| may be subject of one or more ASSIGNMENT PAYSCALE POINT | |
| may be associated with one or more CARE GROUP APPLICABILITY | |
| may be defined by one or more EMPLOYMENT CONTRACT | |
| may be classified by one and only one FLEXIBLE WORKING PATTERN TYPE |