The purpose of this Part is:
(a) to require carriers and nominated carriage service providers to give notice of the particulars of any change that is proposed in relation to a telecommunications service or a telecommunications system, whose implementation may affect the capacity of the carrier or provider to comply with its obligations under:
(i) this Act; or
(ii) section 313 of the Telecommunications Act 1997 (other than subsection 313(1A) or (2A) of that Act); and
(b) to allow the Communications Access Co-ordinator to notify agencies of such proposed changes.