(1) In this regulation livestock carrier means a light vehicle built to carry cattle, sheep, pigs or horses.(2) A person must not use, or cause or permit the use of (a) a light vehicle that exceeds 4.3 metres in height; or(b) a livestock carrier that exceeds 4.6 metres in height.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.