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Triennial Review of Index Numbers of Services Producer Prices (SPPI) Voluntary Survey of Users

Opening date: 18 October 2011
Closing date: 25 November 2011
Department: Office for National Statistics
Category: Commerce, Energy and Industry

The Office for National Statistics (ONS) is required by Government to regularly review each of its statistical surveys. We are currently in the process of conducting a review of the SPPI and would be grateful if users of the information could take the time to provide us with feedback in this voluntary questionnaire.

The review is a requirement of the Prime Minister’s instructions on survey control. The main objective of the review is to determine the efficiency and effectiveness of all of our procedures, and to identify where improvements can be made.

Please note that a copy of the final review will be available from our website from March 2012.

We look forward to receiving your completed questionnaires.

We would be grateful if you could download, complete and return, via email, the voluntary questionnaire by 25th November 2011. The email address is

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