(1) A mackerel fishing licence only authorises the holder, in State waters (a) to use the fishing vessel specified in the licence; and(b) to take mackerel not exceeding the quantity specified in the licence for a species of mackerel, a mackerel zone or a species of mackerel in relation to a mackerel zone; and(c) to take bycatch not exceeding the limits imposed by these rules.(2) Subject to Part 4 , a mackerel fishing licence authorises the holder to use a purse seine net in State waters.