This section applies where an initial notice ceases to be in force, whether in whole or in part, by virtue of section 47(4)(b)(ia) (higher-risk building work).
If, before the day on which the relevant part of the initial notice ceased to be in force, a final certificate—
the fact that the relevant part of the initial notice has ceased to be in force does not affect the continuing operation of section 51(3) in relation to that part of the work.
The building control authority in relation to any of the uncertified work is—
In subsection (3), the "uncertified work" means any of the work—
Sections 91(3) (duties of the regulator) and 121A(1) (meaning of "building control authority") apply as if, in each case, the reference to section 91ZA or 91ZB were a reference to section 52B, 91ZA or 91ZB.
In any case where this section applies, the reference in subsection (4) of section 36 to the date of the completion of the work in question has effect, in relation to a notice under subsection (1) of that section, as if it were a reference to the date on which the relevant part of the initial notice ceased to be in force.
In this section "the relevant part of the initial notice" means so much of the initial notice as was cancelled by a notice under section 52A (cancellation of initial notice when work becomes higher-risk building work).