Guidance

Determining appraisal periods for regulatory costs and benefits

How to choose appraisal periods to calculate the cost benefit analysis and the business impact of a regulatory policy measure.

• From: Regulatory Policy Committee
• Published: 28 September 2020
• Last updated: 13 November 2025 — See all updates

Documents

RPC case histories: appraisal periods

PDF, 253 KB, 9 pages

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Details

Case history examples and recommendations from the Regulatory Policy Committee for government officials to consider on the choice of appraisal periods for the overall cost benefit (net present value) analysis and calculation of the business impact (equivalent net direct cost to business) figure under the Better Regulation Framework.

Published 28 September 2020

Last updated 13 November 2025 + show all updates

1. 13 November 2025

   Updated September 2025

2. 28 September 2020

   First published.