(1) A person must not use, or cause or permit the use of, an oversize vehicle that is a light vehicle unless (a) any booms are fully retracted; and(b) the vehicle and load are reduced to the smallest practicable dimensions.Penalty: In the case of (a) a first offence, a fine not exceeding 20 penalty units; or(b) a subsequent offence, a fine not exceeding 40 penalty units.(2) A person must not use, or cause or permit the use of, a light vehicle or light combination unless it is loaded so as to minimise its dimensions.Penalty: In the case of (a) a first offence, a fine not exceeding 20 penalty units; or(b) a subsequent offence, a fine not exceeding 40 penalty units.