Penny Wong (SA, Australian Labor Party, Minister for Finance and Deregulation) Share this | Hansard source

The Treasurer has provided the following answer to the honourable senator's question:

Estimates of the impact of budget measures have been provided in the Budget papers for the relevant forward estimates period, as required under the Charter of Budget Honesty Act 1998. Treasury does not, in general, undertake costings beyond the forward estimates as these estimates are generally not deemed to be sufficiently reliable for budgeting purposes.