(1) Subject to subsection (2), Parts 1 and 2 (including Schedules 1 and 2) come into force on the day following that on which this Act is passed.
(2) Section 51 (and section 52, and Part 2 of Schedules 1 and 2, so far as relating to section 51) come into force on such day as the Treasury may by order made by statutory instrument appoint.
(3) An order under subsection (2) may include such transitional, transitory or saving provision as the Treasury consider appropriate.
(4) This Part comes into force on the day on which this Act is passed.