A person must not use, or cause or permit the use of, a motor vehicle to tow more than one other vehicle, unless (a) the vehicles being towed (i) comprise a combination which is broken down or otherwise disabled and is being towed to the nearest safe place at which the vehicles of the combination can be separated; or(ii) are constructed or adapted for the carriage of passengers for public entertainment and are used elsewhere than on a carriageway or footpath immediately adjacent to a carriageway; or(iii) are a low loader and a low loader dolly; or(b) the motor vehicle is the prime mover of a B-double combination.Penalty: In the case of (a) a first offence 20 penalty units; and(b) a second or subsequent offence 40 penalty units.