Unlike other dual citizens who have failed their constitutional requirements under Section 44 of the Constitution, Senator Lambie may not be replaced by those beneath her on her 2016 election ticket.
I will be resigning from the Senate.
Ms Keay did not receive confirmation that her British citizenship had been renounced until after the cut-off date for nominations for the federal election, which is the date required by section 44 of the constitution. Her father came to Australia as a toddler from Scotland in the 1950s and her grandfather enlisted in the Australian Army.
Senator Lambie had previously released a statement saying she was satisfied her parents were both Australian citizens.
Senator Lambie is not expected to comment publicly on her citizenship status today and has moved to dismiss speculation she could resign, but reportedly said that if she was found to be a dual citizen that "Tasmanians will be the first to know".
The dual citizenship saga, which kicked off in July when two Greens Senators resigned after discovering they held dual citizenship, has plagued the parliament for months now and continues to threaten Prime Minister Malcolm Turnbull's delicate majority.
At the time, Senator Lambie said she was proud of her Scottish heritage, and had learned more about her father's family history in recent weeks while researching her forthcoming autobiography.
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"I do have concerns that there is a member of this chamber, at least one, who knows they are not eligible to be here due to their constitutionality", Senator Bernardi told the chamber.
She is now the second Tasmanian senator to force a recount and replacement process, after the departure of Parry.
Lambie, who first entered the senate in 2013 as a member of Clive Palmer's Palmer United Party, left, and was re-elected as an independent senator past year.
According to the constitutional expert, the High Court would need to decide if a local council position is an "office of profit under the Crown".
Adherence to that rule in a country where more than half the population of 24 million was either born overseas or has a parent who was born overseas has only come under the spotlight in the current crisis, with the High Court confirming a strict interpretation of the law.
Rural Health Tasmania's annual report for 2017 said it received funding from several federal government programs run by the departments of health and social services.