CBAM Import Liability & Certificate Declaration

W-A flagship. Embedded-emissions calculation (ART-69) -> default-value resolution (ART-70) -> certificate cost + free-allocation phase-out + holding/surrender schedule (ART-71). The importer-to-customs CBAM declaration lifecycle end-to-end. Decision-support draft, not a filed declaration.

OpenChainGraph · 3 Steps compliance mandate Hash-Anchored §4 chain_depth:3 Client-Side · Zero PII

Chain Stages · 3 Steps

1 ROOT · D0 node

CBAM Default-Value Resolver art-70-cbam-default-value-resolver

resolved default value + markup (H1) feeds the emissions calculator

MCP Call · resolve_cbam_default_value

{
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "name": "resolve_cbam_default_value",
    "arguments": {}
  },
  "id": 1
}

↓

2 D2 node

CBAM Embedded-Emissions Calculator art-69-cbam-embedded-emissions-calculator

total embedded emissions (H2) feed the certificate-cost engine

MCP Call · calculate_cbam_embedded_emissions

{
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "name": "calculate_cbam_embedded_emissions",
    "arguments": {}
  },
  "id": 1
}

↓

3 TERMINAL · D3 node

CBAM Certificate Cost & Free-Allocation Engine art-71-cbam-certificate-cost-engine

Exports composite CBAM liability artifact with execution_hash (H3) -- final stage

MCP Call · model_cbam_certificate_cost

{
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "name": "model_cbam_certificate_cost",
    "arguments": {}
  },
  "id": 1
}