(1)In this Chapter, “wellboat” means a vessel that contains a tank or well for holding water (including sea water)—
(a)into which live farmed fish may be taken, and
(b)in which the fish may be subsequently kept,
for a purpose mentioned in subsection (2).
(2)The purposes are—
(a)the transportation of farmed fish,
(b)the storage of farmed fish,
(c)the slaughter of farmed fish,
(d)the treatment of farmed fish in connection with health, parasites, pathogens or diseases,
(e)the grading of farmed fish.
(3)For the purposes of this section, it is irrelevant whether or not the farmed fish remain alive in the course of any activity mentioned in subsection (2).
(4)In this section—
“farmed fish” means fish produced by fish farming, and
“grading”, in relation to farmed fish, means separating and sorting the fish according to size.