LodgeiT is a pure SBR Platform that provides forms back to:

Individual Tax Return's (ITR) and Partnership Tax Return (PTR) -  as far as year 2015 

Return not Necessary (RNN)  from the oldest form year 2000 

*Note, ITR and RNN, for tax agent use only.

All other forms are provided back to 2010.

Your option in case you need an older forms - download the old form from the ATO, fill it with a PDF writer and mail to ATO.

List of form that LodgeiT supports