Where used:

Class	ADDRESS	references in description POSTCODE
Class	GEOGRAPHIC AREA	references in description POSTCODE
Class	POSTCODE IN GEOGRAPHIC AREA	references in description POSTCODE
Data Element	POSTCODE	references in description POSTCODE
Data Element	POSTCODE OF CORRESPONDENCE ADDRESS	references in description POSTCODE
Data Element	POSTCODE OF USUAL ADDRESS	references in description POSTCODE
Central Return Form	rh(n) 5	references in description POSTCODE
Central Return Form	rh(n) 7	references in description POSTCODE
Supporting Information	Glossary of Terms	references in description POSTCODE