Prime Minister Liz Truss and Jeremy Hunt volition clasp talks astatine Chequers contiguous arsenic the authorities tries to salvage its economical credibility.
Mr Hunt, who has replaced Kwasi Kwarteng arsenic chancellor, said successful a connection that his absorption was connected maturation "underpinned by stability".
He warned of imaginable taxation rises and falls successful nationalist spending, saying the mini-budget went "too far, excessively fast".
But immoderate Conservatives are unhappy amid disquiet implicit Ms Truss's leadership.
In a bid of interviews connected Saturday, the premier minister's caller right-hand antheral signalled helium would dilatory down Ms Truss's tax-cutting docket and reverse immoderate of the pledges made by Mr Kwarteng, who was sacked connected Friday.
He said this was indispensable to guarantee stableness connected the fiscal markets.
"Taxes are not going to travel down by arsenic overmuch arsenic radical hoped, and immoderate taxes volition person to spell up," the chancellor told BBC Radio 4's Today programme. "I'm going to beryllium asking each authorities departments to find further ratio savings."
It comes arsenic the Times reported that Mr Hunt planned to hold by a twelvemonth a 1p chopped to the basal complaint of income taxation - a flagship portion of the 23 September mini-budget.
However, the Treasury has truthful acold refused to corroborate the report, with a spokesperson saying: "We cannot speculate connected immoderate taxation changes extracurricular of a fiscal event."
Mr Hunt is owed to outline the government's refreshed economical program successful a connection connected 31 October, a task his predecessor was gathering up to pursuing the aftermath of his mini-budget.
In his latest statement, released connected Saturday night, Mr Hunt said: "My absorption is connected maturation underpinned by stability. The thrust connected increasing the system is close - it means much radical tin get bully jobs, caller businesses tin thrive and we tin unafraid satellite people nationalist services. But we went excessively far, excessively fast.
He besides said helium intended to beryllium "honest with people" astir the "very hard decisions" that had to beryllium made "both connected spending and connected taxation to get indebtedness falling".
"I volition acceptable retired wide and robust plans to marque definite authorities spending is arsenic businesslike arsenic possible, guarantee payer wealth is good spent and that we person rigorous power implicit our nationalist finances," Mr Hunt added.
Meanwhile, the PM's authorization has travel nether expanding unit - with immoderate Tory MPs telling the BBC's Laura Kuenssberg Mr Hunt's assignment means Ms Truss is "in office, but not truly successful power".
The premier minister's hopes of endurance could hinge connected what she and her chancellor determine implicit the adjacent 2 weeks.
There volition beryllium a fund astatine the extremity of the period that needs to person fiscal markets and beryllium politically palatable to a fuming, mutinous Tory party.
Today's gathering astatine the premier minister's state residence is their archetypal accidental to person elaborate discussions astir the government's caller fiscal program - which is expected to junk the tax-cutting docket Liz Truss promised during the Tory enactment contest.
Jeremy Hunt has been wide that thing is disconnected the array and that taxation rises and spending cuts volition beryllium needed. But galore Conservative MPs are furious Liz Truss has led the authorities into this chaos and are talking privately astir trying to turf her out.
One erstwhile curate predicted Ms Truss would beryllium gone wrong weeks - but for now, she limps on, hoping the existent turmoil subsides.
The imminent talks travel arsenic Andrew Bailey, the politician of the Bank of England, warned that involvement rates whitethorn request to beryllium raised higher than antecedently expected successful bid to support UK ostentation nether control.
"As things basal today, my champion conjecture is that inflationary pressures volition necessitate a stronger effect than we possibly thought successful August," Mr Bailey said successful Washington, little than 3 weeks earlier the Bank's monetary argumentation committee is owed to meet.
Turning to his archetypal conversations with the caller chancellor, Mr Bailey described an "immediate gathering of minds connected the value of stableness and sustainability".
Elsewhere successful the US, President Joe Biden weighed successful connected the governmental concern successful the UK, saying helium "wasn't the lone 1 that thought it was a mistake" erstwhile asked astir Ms Truss's archetypal economical plan.
He called the result "predictable" but said, portion helium disagreed with the premier minister's policies, it was up to the British people.
Mr Biden besides dismissed concerns astir the spot of the dollar. "The occupation is the deficiency of economical maturation and dependable argumentation successful different countries," helium told a White House excavation reporter.
Following the mini-budget, the lb plummeted to a grounds debased against the dollar and the outgo of authorities borrowing climbed arsenic markets reacted to the bundle - which was not accompanied by an authoritative appraisal of however the UK system would perform.