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Free playbook · Procurement edition

The CBAM Supplier Onboarding Playbook

Verified emissions data from an overseas installation takes 8–12 weeks to obtain. UK CBAM enforcement begins 1 January 2027. This playbook maps every week of that lead time — regulation-mapped, not marketing fluff.

Inside the 9-page PDF

  • The 12-week timeline — count backwards from your first accounting period
  • Installation mapping — trace the chain past traders to the producing mill
  • The CPR decision gate — the per-origin table most CBAM marketing won't show you
  • The data request spec — exactly what to ask each installation for, and why they'll reply
  • Chase & escalation cadence — plus the validation checklist that makes data file-ready

Prepared by CBAM Proof — respondent to the HMRC 2026 Emissions and Verification Regulations consultation. Citations to primary legislation throughout: Finance Act 2026 (c.11, Schedules 16–18) and the CBAM (Emissions and Verification) Regulations 2026.

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WEEKS 1–2

Map the chain to the installation

Liability attaches to the producing installation, not your immediate supplier. The playbook's register template closes that gap first.

WEEK 2

Run the CPR decision gate

Turkey, China, South Korea, India: structurally near-zero Carbon Price Relief. Ask each mill for the right thing, once.

WEEKS 3–12

Chase, validate, retain

The follow-up cadence, the escalation track for non-responders, and the validation checklist that makes data file-ready.