(1) A person who holds a fishing licence (vessel) and either a seine licence or a fishing licence (Australian salmon) must not, on a fishing trip, use (a) more than 2 auxiliary vessels; or(b) an auxiliary vessel that is longer than the fishing vessel specified in the fishing licence (vessel).Penalty: Grade 2 penalty.(2) A person to whom subrule (1) does not apply must not, in taking scalefish, use (a) more than one auxiliary vessel from the fishing vessel specified in the licence; or(b) an auxiliary vessel that is longer than that fishing vessel.Penalty: Grade 2 penalty.(3) The holder of a fishing licence (vessel) must ensure that each side of the hull of an auxiliary vessel used in conjunction with the fishing vessel specified on the licence displays the letter "D" above or forward of the distinguishing mark displayed on each side of the hull of the auxiliary vessel.Penalty: Grade 2 penalty.