The Pricing Authority may also be assisted:
(a) by officers and employees of Agencies (within the meaning of the Public Service Act 1999 ); or
(b) by officers and employees of authorities of the Commonwealth; or
(c) by officers and employees of a State or Territory; or
(d) by officers and employees of authorities of a State or Territory;
whose services are made available to the Pricing Authority in connection with the performance of any of its functions.