http://www.legislation.gov.uk/uksi/1990/216/contents/made

The Offshore Installations (Safety Zones) Order 1990

Local Government

King's Printer of Acts of Parliament

2011-07-04

OFFSHORE INSTALLATIONS

This Order establishes, under section 22 of the Petroleum Act 1987, safety zones, having a radius of 500 metres from a specified point, around the installations specified in the Schedule to the Order and stationed in waters to which section 21(7) of that Act applies (these include territorial waters and waters in areas designated under section 1(7) of the Continental Shelf Act 1964 (c. 29)).