HMT Magenta Book — Evaluation Guidance · v2020 (Central Government Gu…

HMT Magenta Book — Evaluation Guidance

HMT Magenta Book — Evaluation Guidance — 75% of in-scope requirements covered.

3 requirements · 2 in scope (1 enforced · 1 designed) · 1 out-of-scope (outside KYE™’s authority layer). The 75% is weighted over the in-scope base.

Source: HM Treasury — 'The Magenta Book: Central Government Guidance on Evaluation' (2020). The cross-government standard for evaluation of interventions; this registry maps process / impact / value-for-money evaluation of AI interventions to KYE™ runtime evidence artefacts. · License: Open Government Licence v3.0

By category

CategoryReqsEnforcedDesignedAdvisoryDeferredCoverage
Process evaluation 1 1 0 0 0 100%
Impact evaluation 1 0 1 0 0 50%
Evaluation evidence 1 0 0 0 0 0%

Every requirement → the KYE™ artefact that enforces it

IDTitleStatusKYE™ enforcement
uk-magenta-book.process-evaluation Process evaluation — how the intervention was delivered (the AI tool's actual operation, recorded) enforced audit_events: kye.evidence.observed_action.v1, kye.evidence.pack.v1, kye.evidence.decision_map.v1
engines: internal, internal
rule_packs: kye:rule-pack:public-sector-governance
dictionaries: internal
constitution_refs: constitution/13-RESILIENCE-LOOP.md, constitution/21-DELEGATED-AUDITABILITY.md
uk-magenta-book.impact-evaluation Impact evaluation — what difference the AI intervention made (counterfactual / outcome assessment) designed audit_events: kye.consequence_map.v1, kye.risk.score.v1
engines: internal
rule_packs: kye:rule-pack:public-sector-governance
constitution_refs: constitution/13-RESILIENCE-LOOP.md
uk-magenta-book.evaluation-evidence-vfm Value-for-money and the evidence base for the evaluation conclusion out-of-scope constitution_refs: constitution/18-OPERATING-MODEL.md