David Cameron planning post-election emergency budget
Cameron on Tory emergency budget
Conservative leader David Cameron has told the BBC he plans to hold an emergency budget within 50 days if his party wins the next general election.
Mr Cameron told BBC One's Andrew Marr Show it would be "about getting the deficit under control".
"But it should also be a budget that goes for growth that gets this economy moving again," Mr Cameron added.
Although it has been widely assumed a speedy budget would be held, there have not been such specific timings before.
Mr Cameron said measures in the budget would include the previously announced plans to cut the rate of corporation tax and tax breaks for new business start-ups.
He said the country needed to "get confidence and credit moving again" and required a government with power and long-term vision.
Mr Cameron accused Labour of "arrogance" with a "let's do it all in the future" policy on tackling the budget deficit.
He said that would lead to "interest rates going up and the country tipped back into another Labour recession - that's what we've got to avoid".
He told the programme: "What you need is a plan to get the deficit down, you have got to demonstrate to people that you are serious by taking some steps in your first budget and you set out those steps."
In the Queen's Speech on Wednesday Labour set out its plan to halve the deficit over four years with more details expected in the pre-Budget report on 9 December.
Gordon Brown has said Conservative plans to cut the deficit more quickly would endanger Britain's recovery from recession.
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