There's an expectation the Government's surplus will be pushed back a year or so.
The state of the Government's books will be unveiled today, as Treasury release its half yearly economic and fiscal update early this afternoon.
May's budget laid out expectations for further cost savings across government departments across years to come.
Former Treasury Director Bryce Wilkinson told Heather du Plessis-Allan he's looking for signs of cutting 'wasteful' public spending.
He says slow productivity growth is not helping income grow.
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