From the NPRM:
Civil Aviation Safety Authority - NPRM 1105AS
Existing Private and AWK aircraft (those placed on the Australian Civil Aircraft Register before 06 February 2014
1 x TSO-C145 or -C146 or -C196 (or later versions) GNSS
OR
1 x TSO- C129 GNSS + ADF or VOR (See Note 1)
Note: TSO-C129 Navigator is unlikely to support ADS-B requirement/functionality.
By: 04 February 2016
and:
New Private and AWK aircraft (those first placed on the Australian Civil Aircraft Register after 06 February 2014)
1 x TSO-C145 or -C146 or -C196 (or later versions) GNSS
BY: 06 February 2014
and the big metal:
Existing aircraft used in public transport services (those placed on the Australian Civil Aircraft Register before 06 February 2014)
2 x TSO-C145 or -C146 or -C196 (or later versions) GNSS
OR
RNP capable aircraft as approved by CASA
OR
1 x TSO-C129, TSO-C145 or -C146 or –C196 GNSS + ADF or VOR (See Note 1)
BY: 04 February 2016
and:
New aircraft used in public transport services (those first placed on the Australian Civil Aircraft Register on or after 06 February 2014), or new GNSS installations in aircraft placed on the Register before 06 February 2014
2 x TSO-C145 or -C146 or -C196 (or later versions) GNSS
OR
RNP capable aircraft as approved by CASA
OR
1 x TSO-C145 or -C146 or -C196 GNSS + ADF or VOR (See Notes 1 and 2)
BY: 06 February 2014
How's that for creating more confusion between OZ and ICAO requirements - Bring on the next audit!!