http://www.legislation.gov.uk/uksi/1991/1029/article/2/made
The Pilotage Act 1987 (Commencement No. 4) Order 1991
Local Government
King's Printer of Acts of Parliament
2014-08-15
PILOTAGE
This Order brings into force on 30th April 1991 the remaining provisions of the Pilotage Act 1987 — namely the repeal of provisions in the Pilotage Act 1983 (c. 21) which related to the continued existence of the Pilotage Commission pending its abolition (the date for which has now been appointed for April 30th 1991, the date also appointed by this Order).
2
The provisions of the Act not already in force2shall come into force on 30th April 1991.