(1) The holder of a fishing licence (vessel) for a mother boat must not, during a fishing trip involving the mother boat, take scalefish for commercial purposes other than as, or to assist, a prescribed licensee.Penalty: Grade 3 penalty.(2) The holder of a fishing licence (vessel) for a mother boat must not use the mother boat for landing prescribed scalefish taken by a prescribed licensee unless the prescribed licensee is on board the mother boat at the time of the landing.Penalty: Grade 3 penalty.(3) Except as provided by subrules (1) and (2) , nothing in these rules prohibits the holder of a fishing licence (vessel) in respect of a mother boat from being in possession of, or transporting on board the mother boat, prescribed scalefish taken by a prescribed licensee.