Merchant Shipping (Tonnage) Regulations 1997 (No. 1510 of 1997). Country/Territory United Kingdom Document type Regulation Date 1997 Source FAO, FAOLEX Subject Sea Keyword Navigation Registration Geographical area Atlantic Ocean Islands, Europe, Europe and Central Asia, North Atlantic, North Sea, North-East Atlantic, Northern Europe Entry into force notes These Regulations entered into force on 11 July 1997. Abstract These Regulations consolidate with amendments the Merchant Shipping (Tonnage) Regulations 1982. They re-enact those provisions of the earlier Regulations relating to the International Convention on Tonnage Measurement of Ships 1969, and the calculation of tonnage for pleasure vessels of less than 13.7 metres in length. Full text English Website www.opsi.gov.uk