Members of Alex Salmond's Alba Party will debate whether to remove the Queen as head of state in the event that Scotland becomes an independent country.
The pro-independence party will be hosting its first ever conference in Greenock in September following a poor result in May's Holyrood election, where it failed to pick up any seats.
One of the motions that will be debated is whether an independent Scotland should move to become a republic - like Ireland - rather than continue to be a member of the Commonwealth.
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If Scotland were to become a republic, the Queen would be removed as head of state.
As reported by the Daily Record, voting in favour of forming a republic would mark a sharp turn from the SNP's stance on the Royal Family.
Salmond himself was in favour of keeping the Queen as head of state in the event of an independent Scotland when he was First Minister from 2007 to 2014.
Republicanism is supported by some SNP members but has never been an official position of the party.
A survey commissioned by Sky News in March found that 39% of Scots voters would support the Royal Family retaining their traditional role if the UK was to break-up, while 39% said a Scottish republic should be created and 22% said they didn't know.
The draft agenda for Alba's inaugural conference includes a motion calling for members to endorse an independent Scotland having a written constitution and an elected head of state.
In the motion, members will be asked to agree that: "The written constitution starts from the principle that the people are sovereign in keeping with the Scottish constitutional tradition and as such Alba will propose... that, once the term of the much respected present monarch is over, Scotland should move to an elected head of state with similar powers to the Uachtarán na hÉireann.”
Alba interim general secretary Chris McEleny said: "Our draft agenda sets out a radical and progressive programme to improve the lives of people in Scotland right now and pursue Scotland’s independence mandate with the urgency it requires.
"I am confident that our inaugural conference will set out that we have the People, the Policies, and the Plan for independence to take Scotland forward.”
Prince William could be asked to spend more time in Scotland under plans reportedly drawn up by palace officials to counter Scottish independence.
The Duke of Cambridge, known as the Earl of Strathearn in Scotland, would spend more time at Balmoral with wife Kate and strengthen ties with their former university town of St Andrews if the proposals go ahead.
The report comes just days after the couple’s tour of Scotland in which William said the country was “so important” to him and his wife.
On the final day of their visit earlier this summer, William and Kate held a meeting with Gordon Brown who has recently launched a renewed campaign to save the Union.
The couple sat down for talks with the former prime minister and his wife Sarah at the Queen’s official Edinburgh residence.
