MPs will be asked to vote on a charter of budget responsibility.
He has said he will vote for the new charter of budget responsibility set out by George Osborne and due to be endorsed by parliament shortly.
The Lib Dem leader will also reaffirm his commitment to the two rules under the charter of fiscal responsibility: balancing the cyclically adjusted current budget by 2017-18, and having debt falling as a percentage of GDP in 2016-17.
The way that Labour trooped through the lobby just a few weeks ago, following the Conservatives to vote for George Osborne's charter of budget responsibility, was a case in point.
The welfare cap was always a piece of cheap electioneering, similar to the charter of fiscal responsibility, introduced by Osborne in a bid to lay a political trap for the shadow chancellor, Ed Balls, before the election.
Mr Osborne's attempt last winter to put his charter of budget responsibility into law was a Tory version of gestural Brownism, using parliamentary time to strike an attitude rather than to legislate seriously.
There was chaos deluxe as shadow chancellor John McDonnell said he would vote in favour of George Osborne's charter of fiscal responsibility, which required the government to run a budget surplus, before remembering who he was.
He said the Treasury decision to legislate next year for its charter of budget responsibility would give Labour a chance to introduce an amendment giving the OBR the power to audit Labour's plans.
He also tried to paint Ed Balls, the shadow chancellor, into a political corner by saying if he goes ahead with his stated plan to vote next month for the coalition's charter of budget responsibility, Labour will be signing up for £30bn of extra fiscal consolidation by 2017-18.
Mikakos maintained that the decision to move a group of children from Parkville to Barwon was "consistent with relevant legislation and Victoria's Charter of Human Rights and Responsibilities".
