http://www.legislation.gov.uk/uksi/1985/116/madeThe Offshore Installations (Safety Zones) (No. 9) Order 1985enKing's Printer of Acts of Parliament1985-02-11 The Offshore Installations (Safety Zones) (No. 9) Order 1985InstrumentThe Offshore Installations (Safety Zones) (Revocation) (No. 32) Order 1985