Conformity Assessment & CE Marking — Technical Documentation & Conformity
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Key takeaways
- Conformity is about proving your RMS/design controls work in practice with traceable evidence.
- Choose the right route (internal control vs NB) and build a technical file that auditors can navigate.
Routes & applicability
- High-risk systems follow internal control or require a Notified Body (NB), depending on Annex criteria and sectoral overlays.
- Map the legal basis and justify route selection; record assumptions and linked mitigations.
Technical file contents
- System purpose/limits, architecture, oversight, instructions; RMS summary and risk file index.
- Data cards, model cards, evaluation protocols & results, bias audits, security tests.
- Change control, release notes, rollback policy, SBOM, supplier attestations.
Evidence mapping
- Trace each requirement → control → metric → owner → evidence location.
- Publish a cross-reference matrix so auditors can reach evidence quickly.
Notified bodies & audits
- Prepare scoping pack; pre-assessment to surface gaps; timebox remediations; keep decision minutes.
- During audit: demonstrate processes and tools; show real tickets, logs and approvals.
Sectoral alignment
- Medical devices, machinery, financial services or other regimes may require additional artifacts and tests.
- Keep a regulatory overlay table with obligations, owners and proof points.
Declaration & CE marking
- Issue EU Declaration of Conformity; affix CE marking; ensure instructions accompany the product/service.
- Keep copies and version history; record authorised signatory and date.
Post-placement duties
- PMM, incident reporting, CAPA and change control must remain operational after CE marking.
- Material changes may trigger re-assessment; keep a change impact log.
Supplier management
- Vendor due-diligence; model/API provenance; SLAs for incidents; right-to-audit where proportionate.
Common pitfalls
- Evidence not linked to requirements; missing change records; unproven oversight controls.
- Bias metrics without acceptance limits or CAPA; undocumented updates between assessment and go-live.
Timeline & readiness
- Back-plan from market date; freeze evidence snapshots per milestone; keep a RACI with named approvers.
Cost & resourcing
- Budget for audits, red-team, security testing, legal review, documentation and operations uplift.
Implementation checklist
- Route chosen & justified; technical file complete; cross-reference matrix present; NB engaged (if required).
- Declaration issued; CE affixed; PMM/incident/CAPA live; sectoral overlays tracked.
© Zen AI Governance UK Ltd • Regulatory Knowledge • v1 05 Nov 2025 • This page is general guidance, not legal advice.
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