(1) This Part applies to a critical infrastructure asset if:
(a) the asset is specified in the rules; or
(b) both:
(i) the asset is the subject of a declaration under section 51; and
(ii) the declaration determines that this Part applies to the asset; or
(c) immediately before the commencement of this section, the asset was a critical infrastructure asset (within the meaning of this Act as in force immediately before that commencement).
Note: For specification by class, see subsection 13(3) of the Legislation Act 2003 .
(2) Subsection (1) has effect subject to subsection (3).
(3) The rules may provide that, if an asset becomes a critical infrastructure asset, this Part does not apply to the asset during the period:
(a) beginning when the asset became a critical infrastructure asset; and
(b) ending at a time ascertained in accordance with the rules.