Member for Mallee Andrew Broad has joined calls for citizenship audit.

THE Member for Mallee Andrew Broad has joined a number of federal politicians in calling for a citizenship audit of all cabinet members.

The call comes after six federal politicians were disqualified from Parliament following the discovery they were dual nationals, including Deputy Prime Minister Barnaby Joyce.

Former Deputy President and Chairman of Committees Stephen Parry also resigned from Parliament after it was revealed he held dual British citizenship through descent.

Mr Broad said he wanted the Australian Electoral Commission to conduct a review of every member of the House of Representatives and Senate to establish that no further sitting Members or Senators held dual citizenship under Section 44 of the Australian Constitution.

However, Prime Minister Malcolm Turnbull has ruled out an audit, saying "we are not going to engage in some kind of national witch hunt".

"Are we saying that we would propose to have somebody interrogate each and every member and senator, examine their genealogy, seek to uncover facts about their parentage that may not even be known to the member or senator?" Mr Turnbull asked.

Mr Broad said the recent High Court ruling had given clarity to the interpretation of Section 44 and was now time for a full audit to be conducted.

"Australia cannot have a process whereby those who disclose and do the honourable thing, are removed from the parliament yet some who may choose not to disclose are able to stay," he said.

Mr Broad said it was important an audit took place so the Australian people could have confidence in the integrity of their Parliament.

"An audit should take less than a week and can be conducted before parliament resumes on November 27," he said.

However, frontbench ministers have criticized the proposal of an audit.

The Minister for Education Simon Birmingham described the audit as a waste of taxpayers' money.

Mr Turnbull argued the High Court was the only way to determine eligibility.

"The constitution is very clear; every member and every senator has an obligation to comply with it," Mr Turnbull said.

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