http://www.legislation.gov.uk/id/ssi/2001/10

Partial Revocation of the principal Order3.

The principal Order is revoked insofar as it designates–

any part of Area A described in the Schedule to this Order being an area within Area 1 described in the Schedule to the principal Order; and

any part of Area B described in the Schedule to this Order being an area within Area 3 described in the Schedule to the principal Order.