tag:www.gov.uk,2005:/search/news-and-communications News and communications 2025-08-05T11:05:05+01:00 HM Government tag:www.gov.uk,2005:/government/news/permanent-secretary-office-for-national-statistics-appointed 2025-08-05T11:05:05+01:00 Permanent Secretary Office for National Statistics Appointed Darren Tierney appointed to the role of Permanent Secretary of the Office for National Statistics tag:www.gov.uk,2005:/government/news/stakeholder-engagement-magenta-book-update 2025-07-14T16:57:14+01:00 Stakeholder Engagement: Magenta Book Update The ETF are pleased to invite stakeholders from across government and relevant external agencies to provide feedback on potential updates to the Magenta Book. tag:www.gov.uk,2005:/government/news/the-evaluation-registry-a-new-home-for-government-evaluation 2025-07-11T09:09:53+01:00 The Evaluation Registry: a new home for Government evaluation In March this year, the Evaluation Task Force launched the Evaluation Registry: a website which will act as a single home for evaluations across Government.  tag:www.gov.uk,2005:/government/news/new-guidance-for-evaluating-the-impact-of-ai-tools 2025-01-27T00:00:00+00:00 New Guidance for Evaluating the Impact of AI Tools The Evaluation Task Force have recently published a new annex to the Magenta Book which covers best practice for impact evaluation of AI tools and technologies.