questionText: To ask the Minister for the Cabinet Office, with reference to item 2.1 of the minutes of the 25 April 2025 meeting of the Advisory Panel on Consumer Prices (Stakeholder), what recent progress the Office for National Statistics has made on evaluating the potential impact of the use of groceries scanner data on the headline rates of (a) CPI, (b) CPIH and (c) RPI.
answerText: The information requested falls under the remit of the UK Statistics Authority. A response to the Hon gentleman’s Parliamentary Question of the 1st December is attached. 
heading: Supermarkets: Consumer Prices Index and Retail Prices Index