Simon Birmingham (SA, Liberal Party, Shadow Parliamentary Secretary for the Murray Darling Basin) Share this | Hansard source

Mr President, I ask a supplementary question. I refer the minister to her statement yesterday to the Senate regarding carbon tax revenue that:

The government updates its costings in the usual way in the budget and in budget updates, and that is the approach the government will be taking.

I ask the minister: why did the government not update its estimates for the carbon price in 2015-16 when it handed down this year's budget but instead relied on estimates that were at least a year old?