Each EMPLOYEE CONTRACT

K	must be a contract with one and only one ORGANISATION
	may be related to one or more MEDICAL AND DENTAL STAFF POSTING
	or may be related to one or more NON MEDICAL AND DENTAL STAFF POSTING
	must be related to one and only one EMPLOYEE
	must be related to one and only one STAFF GROUP
	may be related to one or more ABSENCE FROM WORK
	may be related to one and only one BIO PRODUCTS LABORATORY AUTHORITY GRADE
	may be related to one or more EMPLOYEE ALLOWANCE OR DEDUCTION
	may be related to one or more EMPLOYEE CONTRACT PAYMENT DETAIL
	may be related to one or more EMPLOYEE WORK DETAIL
	may be related to one or more NON MEDICAL AND DENTAL DEPLOYMENT
	may be related to one or more PAY SETTLEMENT