Sue Gray failed to co-operate with the official inquiry into the way she resigned as a senior civil servant in order to take a job with the opposition Labour party, the British government said on Tuesday.
Oliver Dowden, Cabinet Office secretary, said various relevant people had been interviewed to establish further details of the contact between Gray and Keir Starmer, Labour leader, before she accepted the role in March.
“I can update the House that Ms Gray was given the opportunity to make representations as part of this process but chose not to do so,” Dowden said in a written ministerial statement.
The minister said he was unable “at this stage” to provide further information relating to the departure of Gray.
Her decision to become Labour chief of staff has been politically controversial because last year she carried out a review into illegal parties in Whitehall when Boris Johnson was prime minister.