Harbours, Docks, and Piers Clauses Act, 1847

Tonnage of vessels, how to be ascertained.

27. For the purpose of ascertaining the tonnage rates payable upon vessels under this or the special Act, the tonnage of British vessels duly registered according to law shall be ascertained according to the certified tonnage in the register of such vessels, and the tonnage of all other vessels shall be ascertained according to the rules of admeasurement for the time being established by law for regulating the admeasurement of the tonnage and burthen of the merchant shipping of the United Kingdom