(1)The Treasury may by regulations make provision about the administration of the charge to tax on personal portfolio bonds.
(2)The regulations may modify—
(a)any provision of this Chapter, or
(b)any provision of Chapter 2 of Part 13 of ICTA.
(3)The regulations may—
(a)make different provision for different cases, different circumstances or different periods, and
(b)make incidental, supplemental, consequential or transitional provision or savings.
(4)In this section “modify” includes amend or repeal.