In this Act:
"pool"––
(a) means an artificial structure or vessel that is––
(i) capable of being filled with water; and
(ii) used or intended to be used for swimming, diving, wading, paddling or any other recreational water activity; and
(iii) unable to be emptied by overturning the structure or vessel; but
(b) does not include—
(i) a bath tub or other vessel used for cleaning the body; or
(ii) an artificial structure or vessel prescribed by regulation.