In these regulations, unless the contrary intention appears Act means the Trade Measurement Act 1999 ;approved means approved by the administering authority;certificate of suitability , in relation to a weighbridge, means a certificate issued by the administering authority for the purposes of section 50(1)(a) of the Act to the effect that the weighbridge is suitable for use as a public weighbridge;end-and-end measurement means the determination of a measurement relating to a vehicle (whether loaded or not) by adding together separate measurements of the mass supported singly or in combination by the different axles of the vehicle, those separate measurements having been determined by separate operations of a weighbridge;licence means a public weighbridge licence;operator means the person who personally determines a measurement by use of a weighbridge;public weighing means the use of a weighbridge by or on behalf of the public or for which a charge is made.