Question to the HM Treasury:

To ask the Chancellor of the Exchequer, what metrics her Department will use to measure the success of HMRC’s transformation programme.

HMRC will use the metrics published in Annex A of HMRC’s Transformation Roadmap to measure the success of HMRC’s transformation programme. This is available online here: Annex A: HMRC's Transformation Roadmap metrics - GOV.UK