14(1)Section 349 (orders) is amended as follows.
(2)In subsection (1), before “qualifying oil fields” insert “additionally-developed oil fields or”.
(3)In subsection (2), for “new oil field” (in both places) substitute “eligible oil field”.
(4)After subsection (2) insert—
“(2A)The Commissioners for Her Majesty’s Revenue and Customs may by order make provision about the meaning of any term used in this Chapter.”
(5)For subsection (3) substitute—
“(3)The provision that may be made by an order under this section includes—
(a)provision amending this Chapter,
(b)provision that has effect in relation to times before the order is made and does not increase any person’s liability to tax, and
(c)incidental, supplemental, consequential, transitional or saving provision, including provision amending, repealing or revoking any provision made by or under this Act.”