You asked
Please provide methodology papers regarding the consumer price inflation (to include both CPI and RPI) that were published by ONS between 1997 to 2011?
We said
Thank you for your request.
Methodology papers released in 2010 and 2011 are available on our archive website here: https://webarchive.nationalarchives.gov.uk/20160106041638/http://www.ons.gov.uk/ons/guide-method/user-guidance/prices/cpi-and-rpi/index.html.
Methodology papers released between 2005 and 2009 are available on our archive website here: https://webarchive.nationalarchives.gov.uk/20160108054404/http://www.ons.gov.uk/ons/guide-method/method-quality/specific/economy/cpi-rpi/2005---2009/index.html.
Methodology papers released between 1988 and 2004 are available on our archive website here: https://webarchive.nationalarchives.gov.uk/20160108054407/http://www.ons.gov.uk/ons/guide-method/method-quality/specific/economy/cpi-rpi/1998---2004/index.html.
The Consumer Price Indices Technical Manual, which was most recently updated in 2014, is also available on our archive website here: https://webarchive.nationalarchives.gov.uk/20160114034015/http://www.ons.gov.uk/ons/rel/cpi/consumer-price-indices---technical-manual/index.html.
Unfortunately, we do not hold a record of methodology papers published in 1997.