Nadhim Zahawi allows HMRC to share his tax information with inquiry

Move comes as chief executive of HMRC increases pressure by saying there are no penalties for innocent errors'

Nadhim Zahawi has offered to share his tax information with an inquiry into his financial affairs, as the head of HMRC added further pressure on the Tory chair by saying there were no penalties for innocent errors",

Zahawi wrote to Jim Harra, the chief executive of HMRC, on Wednesday night authorising him to pass on any relevant information from his records to Laurie Magnus, Rishi Sunak's ethics adviser, a source said.