For the purposes of
this Division —
(a) a
reference to injury , employer and worker includes anything that is within the
scope of a corresponding term in the statutory workers compensation scheme of
another State; and
(b) the
determination of what constitutes employment or whether or not a person is a
worker or a worker’s employer must be made on the basis that those
concepts include anything that is within the scope of a corresponding concept
in the statutory workers compensation scheme of another State.