Fourteen questions professionals ask about proving CBAM compliance — default values, carbon-price certification, quarterly certificates, delegation — each mapped to the SOURCE 0 term that answers it, and to the article it rests on.

Fifteen questions professionals ask about proving CSDDD compliance — due diligence, remediation, civil liability, transition plans — each mapped to the SOURCE 0 term that answers it, and to the article it rests on.

EUDR imposes recurring evidentiary obligations on operators and traders of cattle, cocoa, coffee, palm oil, rubber, soya and wood products. Each produces a record only the obligated party controls. This Vocabulary fixes twenty of those obligations against their exact article in Regulation (EU) 2023/1115.

Under the EU Deforestation Regulation, national authorities already cross-check submitted coordinates against satellite imagery. That proves the state of the land. It does not prove that the specific batch of beans, timber, or cattle in a given shipment was ever physically on it.

The Carbon Border Adjustment Mechanism already has an independent verifier — the definitive regime made sure of that. What the verifier attests is a methodology over a reporting period, not the embedded emissions of the specific lot an importer clears today. SOURCE 0 closes that narrower gap.

 A certified sustainability claim is not the same as a provable one. Directive (EU) 2024/825 puts the burden of proof on the advertiser — not the certifier. SOURCE 0 closes the gap between verification and timing.