Guido understands it took Vote Leave little more than an hour to secure 50 signatures of Tory MPs who would vote down Osborne’s empty threat budget:

Iain Duncan Smith, Liam Fox, Cheryl Gillan, David Jones, Owen Paterson, John Redwood, Sir Gerald Howarth, Tim Loughton, Crispin Blunt, Sir William Cash, Bernard Jenkin, Julian Lewis, Adam Afriyie, Nigel Adams, Lucy Allan, Steve Baker, Bob Blackman, Peter Bone, Andrew Bridgen, David Burrowes, Maria Caulfield, Christopher Chope, Chris Davies, Philip Davies, David TC Davies, Nadine Dorries, Steve Double, Richard Drax, Nigel Evans, Michael Fabricant, Marcus Fysh, Chris Green, Rebecca Harris, Gordon Henderson, Philip Hollobone, Adam Holloway, Kwasi Kwarteng, Jonathan Lord, Craig Mackinlay, Anne Main, Karl McCartney, Nigel Mills, Anne Marie Morris, Sheryl Murray, David Nuttall, Matthew Offord, Andrew Percy, Tom Pursglove, Jacob Rees-Mogg, Andrew Rosindell, Henry Smith, Derek Thomas, Anne Marie Trevelyan, Martin Vickers, David Warburton, Bill Wiggin, William Wragg

Little more than an hour to get 50 Tory MPs to sign a letter vowing to bring down the government. Osborne tells Today he’d rely on Labour votes to pass the budget – that is laughable. Cameron and Osborne won’t be preparing an emergency budget if we vote to Leave, they’ll be calling the removal van…

UPDATE: Number is up to 57 Tory MPs plus Douglas Carswell. Taking it to 58 MPs before we even get to the SNP and Labour…