(1)The following provisions come into force on the day on which this Act is passed—
(a)the provisions of this Part, except section 166 and Schedule 15 (repeals), and
(b)any other provision of this Act—
(i)so far as is necessary for enabling the exercise on or after the day on which this Act is passed of any power to make orders or regulations that is conferred by the provision or by any amendment made by the provision, or
(ii)so far as the provision, or any amendment made by the provision, defines any expression relevant to the exercise of any such power.
(2)Subsection (1)(b) does not apply to section 111 or Schedule 8 (extension of powers under s. 60 of Health Act 1999).
(3)Except as provided by subsection (1), the provisions of this Act come into force on such day as the appropriate authority (as determined by section 171) may by order appoint.
(4)Different days may be appointed under subsection (3) for different purposes.