DOCUMENT 1
FOI 24/25-1232 | MR25/00938
Please provide the following information for all AAT/ART matters to which the NDIA 
was a Respondent, for the six months from 1 July 2024 to 31 December 2024: 
1. For all AAT/ART matters that went to hearing, the overall average number of days
that a matter was at hearing, and the overall average daily cost per matter incurred by
the NDIA in participating in those hearings (being the cost of hearing days only).
For matters heard between 1 July 2024 and 31 December 2024, the average duration of a 
substantive hearing was 2.6 days. The corresponding average expenditure per hearing day, 
excluding GST, was approximately $6,446. 
Table 1: Approximate average external spend per matter per month excluding GST on 
AAT/ART Applications that proceeded to hearing (average taken from period 1 July 2024 to 
31 December 2024) 
Expert witness engagement costs (including medical) 
$252 
Transcription costs 
$33 
All other costs 
$4,072 
Total External Spend 
$4,357 
Note, internal legal costs cannot be directly attributed to an AAT/ART Application and are therefore 
excluded. 
2. For all AAT/ART matters, including those matters that did not go to hearing, the
average total monthly cost per matter incurred by the agency in being a Respondent
in these AAT/ART matters.
When providing the costs, please include all of the following costs: 
1) All legal costs (both internal agency legal costs, and the costs of engaging external
law services).
2) All costs of engaging expert witnesses (including both those engaged directly by
the agency, and those engaged by external law firms that the agency has engaged).
3) Transcription services.
4) Any other costs incurred by the agency (either directly, or indirectly through
external law services) in responding to these matters…”
Table 2: Approximate average external spend per matter per month excluding GST on 
AAT/ART Applications (average taken from period 1 July 2024 to 31 December 2024) 
Expert witness engagement costs (including medical) 
$131 
Transcription costs 
$1 
All other costs 
$817 
Total External Spend 
$949 
Note, internal legal costs cannot be directly attributed to an AAT/ART Application and are therefore 
excluded. 
Page 1 of 1

---