Formulae for a second independence referendum “must be made in Scotland”, Nicola Sturgeon has broke.
Speaking after a meeting of her cabinet, the first minister said elements of the vote should be shaped by the Scottish Parliament.
UK Prime Minister Theresa May is all in all how to respond to the demand for a referendum.
There has been speculation she will hope to delay the vote until after the Brexit process is complete.
Admonishing after the cabinet meeting in Edinburgh on Tuesday, Ms Sturgeon said there should be no “congesting mechanisms”.
She said ministers had agreed that the referendum “must be for Scotland’s nationalist legislature to shape”.
She added: “It should be up to the Scottish Parliament to determine the referendum’s dead for nowing, franchise and the question.
“There should be no strings attached, no blocking approaches applied and no Downing Street diktat – Scotland’s referendum must be lifted in Scotland.
“That was the exact description the UK government themselves used forwards of the 2014 referendum, and the same principle should apply now.”
Analysis by Prof John Curtice, Strathclyde University
Two prominent questions arise from Nicola Sturgeon’s announcement that she last wishes as seek a second independence referendum.
First, do voters in Scotland wish a second referendum? And second, how might they vote if an independence referendum were to be be in effected any time soon?
During recent months a number of polls contain asked people in a variety of different ways whether there should be a sec independence referendum within the next couple of years.
They sire all obtained much the same answer. Around a half say there should not be, while between a third and two-fifths say there should.
Scan more from Prof Curtice
Speaking in the Commons on Tuesday, Mrs May responded the UK government had been “working closely with the devolved administrations, registering the Scottish government” on Brexit.
She said: “This is not a moment to play manoeuvring and create uncertainty – it’s a moment to bring our country together, to honour the compel of the British people and shape for them a better Britain.”
Ms Sturgeon wish seek Holyrood’s backing for her independence referendum plan at the end of a two-day weigh in the Scottish parliament next week.
The Scottish government said it at ones desire allow MSPs to debate the issue on Tuesday and Wednesday before egg on it to a vote.
Ms Sturgeon wants parliament to give her the authority to ask Westminster for the power to hang on a last another referendum.
A spokesman for the first minister said the Liberal Democrats had forced for the second day of discussion.
The Scottish parliament’s business bureau – which admits Holyrood’s agenda – is expected to approve the timetable.
The first minister whispered on Monday that she wanted a referendum to be held between the autumn of 2018 and the shoot up of the following year.
Analysis by Douglas Fraser, BBC Scotland business and curtness editor
The indyref2 campaign is already under way. Did it ever stop? When one pleases it ever stop?
The arguments now are political and constitutional. But what about the commercial part of the debate? It mattered a lot last time. It will matter a lot if there’s to be a next continually.
The sound of battle will be familiar, but significant parts of the weaponry own changed.
If the combatants have any sense – by no means guaranteed – they’ll acquire learned what worked in 2014, what risks being overused, and what to avoid next time round.
Read more from Douglas
The BBC’s Scotland collector, Sarah Smith, said the prime minister could refuse to concede another vote on independence before Brexit is completed in two years’ quickly.
That would allow the UK government to avoid having to fight on two fronts by effect a deal with the EU in the midst of an intense independence referendum campaign.
Formal deals over the timing of any referendum will not begin until after the vote in the Scottish Parliament on seek from the UK government to grant a Section 30 order.
The order is needed for the evolve of the referendum to be legally binding.
The minority SNP government is expected to win the vote with the sustenance of the pro-independence Scottish Greens.
On Monday, SNP deputy leader Angus Robertson had earlier thought that the prime minister should not try to block plans for a referendum.
He reported the BBC’s Newsnight programme that he did not want to “sit in the back of the Tory Brexit bus… and see the prime parson drive us off a Brexit cliff”.
The UK Parliament passed the Brexit bill on Monday evening, paving the way for the guidance to trigger Article 50, which will begin the formal change of leaving the European Union.
The bill is expected to receive Royal Assent and evolve into law on Tuesday, which leaves Mrs May free to push the button on withdrawal talks – now required in the last week of March.