Guidance

The Green Book: Training

Access to training and accreditation in best practice business cases.

Documents

Details

The UK government requires that all officials who are engaged in developing, reviewing or approving spending proposals must receive training and accreditation through the Better Business Cases programme. This supports a consistent and professional approach to the development of business cases.

Green Book practitioners and reviewers may also benefit from the wider collection of accompanying guidance and materials.

Updates to this page

Published 18 November 2020
Last updated 11 August 2025 show all updates
  1. Details updated. Access to training and accreditation in best practice business cases PDF removed. Access to training and accreditation in best practice business cases HMTL updated to remove reference to HMT Masterclass and update text.

  2. New link to the 'Green Book and collection of accompanying guidance and materials' collection page to improve signposting.

  3. Updated with: Access to training and accreditation.

  4. First published.

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