Each SERVICE REPORT HEADER

	must be issued by one and only one CARE PROFESSIONAL
	or must be issued by one and only one ORGANISATION
	must be requested by one and only one CARE PROFESSIONAL
	or must be requested by one and only one ORGANISATION
	may be related to one and only one PATIENT
	may be related to one or more PLANNED SERVICE TO BE PROVIDED
	may be related to one or more SERVICE
	may be related to one or more SERVICE REPORT COPY
	may be composed of one or more SERVICE REPORTED
	may be a reference to one and only one SERVICE REPORT HEADER
	may be referenced by one or more SERVICE REPORT HEADER