Each REFERRAL REQUEST
| must be given one and only one ACTIVITY PRIORITY | |
| must be a request with a correspondence address at one and only one ADDRESS ASSOCIATION | |
| may be resultant in one or more APPOINTMENT OFFER | |
| may be classified by one and only one LOCAL SUB-SPECIALTY | |
| may be classified by one and only one PATHOLOGY INVESTIGATION TYPE | |
| may be subject to one or more REFERRAL DELAY | |
| may be passing through one or more REFERRAL REQUEST STATUS |