17. Section 32 of the Principal Act is amended—
(a) by inserting in subsection (1) “or part of a parcel” after “parcel”; and
(b) by inserting after subsection (4) the following subsection:
“(4A) A variation of the Plan under subsection (1) has the effect of the parcel, or part of a parcel, of land which is subdivided ceasing to be defined land.”.