(1) A person must not take, or be in possession of, more than 100 kilograms of mackerel on a licenced fishing vessel if the vessel is in State waters and is more than 20 metres in length.Penalty: Grade 3 penalty.(2) Subrule (1) does not apply to (a) a person who is in possession of mackerel on a vessel that is more than 20 metres in length if the person is acting in accordance with a Commonwealth authority; or(b) the holder of a fishing licence (rock lobster) who takes, or is in possession of, the mackerel for use as bait for taking rock lobster; or(c) the holder of a mackerel fishing licence.