s 57 Powers of harbour authorities to provide for maximum fines up to level 4 on standard scale.
(1) Where a harbour authority is empowered to provide— (a) in an instrument made by virtue of an enactment; or (b) in an instrument made by virtue of an instrument made under an enactment, that a person, as regards any summary offence (whether or not created by the instrument), shall be liable on conviction to a fine not exceeding an amount less than level 4 on the standard scale, the power shall extend by virtue of this section to making him liable to a fine not exceeding level 4. (2) Where any enactment or instrument (“the enabling legislation") (however expressed) provides that a person who contravenes any provision of an instrument (“a regulatory instrument") made by a harbour authority— (a) by virtue of the enabling legislation; or (b) by virtue of an instrument made under the enabling legislation, shall be guilty of a summary offence and liable on conviction to a fine not exceeding an amount less than level 4 on the standard scale, the power conferred by the enabling legislation shall by virtue of this section enable the harbour authority to provide in a regulatory instrument that a person, as regards any summary offence created by the regulatory instrument, shall be liable on summary conviction to a fine not exceeding level 4.