Each DRUG MISUSE AGENCY

K	must be within geographical boundary of one and only one PRIMARY CARE TRUST
	must be if non-NHS agency for one and only one ORGANISATION
	or must be if NHS agency for one and only one SERVICE POINT
	must be with an agency address of one and only one ADDRESS ASSOCIATION
	may be related to one or more DRUG MISUSE FACILITY
	may be the maintainer of a database containing one or more DRUG MISUSER