Chapter 7 of Part 10 of the Principal Act is amended -

(a) in section 372A -

(i) in subsection (1) -

(I) by the insertion before the definition of "lease" of the following:

"existing building" means a building or structure which -

(a) fronts on to a qualifying street, and

(b) existed on 13 September 2000;

(II) by the insertion after the definition of "multi-storey car park" of the following:

"'necessary construction', in relation to an existing building, means one or more of the following:

(a) construction of an extension to the building which does not exceed 30 per cent of the floor area of the building immediately before expenditure on the construction, conversion or refurbishment of the building was incurred, where such extension is necessary for the purposes of facilitating access to, or providing essential facilities in, one or more qualifying premises within the meaning of section 372F or 372I,

(b) construction of an additional storey or additional storeys to the building which was or were, as the case may be, necessary for the restoration or enhancement of the streetscape, or

(c) construction of a replacement building;",