Changes made by Statutory Harbour Undertakings (Pilotage Accounts) 1988
S.I. 1988/2216
Made to Statutory Harbour Undertakings (Accounts etc.) 1983
2 changes. All changes made by Statutory Harbour Undertakings (Pilotage Accounts) 1988
From legislation.gov.uk's record of changes, the official one: see it there.