(1) A marketable petroleum commodity is a product listed in subsection (2) that:
(a) is produced from petroleum for the purpose of:
(i) sale; or
(ii) use as a feedstock for conversion to another product (whether a product listed in subsection (2) or not); or
(iii) direct consumption as energy; and
(b) is in its final form for that purpose.
(2) The products are as follows:
(a) stabilised crude oil;
(b) sales gas;
(c) condensate;
(d) liquefied petroleum gas;
(e) ethane;
(ea) shale oil;
(f) any other product specified in regulations made for the purposes of this paragraph.
(3) However, a product cannot be a marketable petroleum commodity if it has been produced wholly or partly from a product that was a marketable petroleum commodity.