Each ACTIVITY
| K | must be supplied by one and only one ORGANISATION |
| K | must be for one and only one PATIENT |
| must be located at one and only one ADDRESS | |
| or must be located at one and only one LOCATION | |
| or must be located at one and only one ORGANISATION | |
| or must be located at one and only one WARD | |
| must be associated with one and only one ACTIVITY FREQUENCY | |
| may be the subject of one or more ACTIVITY DATE TIME | |
| may be the source of one or more ACTIVITY DRUG | |
| may be the result of one and only one ACTIVITY OFFER | |
| may be an activity having one or more ACTIVITY PROPERTY | |
| may be the second party in one or more ACTIVITY RELATIONSHIP | |
| may be the first party in one or more ACTIVITY RELATIONSHIP | |
| may be the result of one and only one APPOINTMENT | |
| may be utilising one or more CARE PROFESSIONAL ROLE | |
| may be the result of one and only one CLINIC OR FACILITY | |
| may be resultant in one and only one DECISION TO ADMIT | |
| may be the result of one and only one HEALTH PROGRAMME | |
| may be resulting in one or more PLANNED ACTIVITY | |
| may be planned as one and only one PLANNED ACTIVITY | |
| may be agreed as one or more SERVICE PROVIDED UNDER AGREEMENT | |
| may be the context of one and only one SESSION | |
| may be planned to be located at one and only one WARD |