{
  "version": "TRACE-CBAM-CN-SAMPLE-REVIEW-2026-06-13",
  "purpose": "High-frequency CN official-data spot-check list before formal legal claim or customer delivery.",
  "source_boundary": "Generated from TRACE extracted EU 2025/2621 defaults and EU 2025/2620 benchmarks. Rows marked pending_spot_check require human comparison against official PDF/table before formal legal claim.",
  "samples": [
    {
      "cn8": "25231000",
      "factor_key": "2523 10 00",
      "description_en": "Cement clinkers",
      "sector": "Cement clinker",
      "calculation_status": "fee_calculable_for_china_with_extracted_evidence",
      "review_priority": "high_frequency_commercial_sample",
      "human_review_status": "pending_spot_check",
      "review_required_before": "formal_legal_claim_or_customer_delivery",
      "defaults": {},
      "benchmark_sample": {
        "route": "A",
        "bmg_star": 0.666,
        "bmg": 0.666,
        "source": "",
        "locator": "",
        "extraction_status": "auto_extracted_from_official_pdf_text_layout; requires spot-check before formal legal claim"
      }
    },
    {
      "cn8": "25232900",
      "factor_key": "2523 29 00",
      "description_en": "Other Portland cement",
      "sector": "Cement",
      "calculation_status": "fee_calculable_for_china_with_extracted_evidence",
      "review_priority": "high_frequency_commercial_sample",
      "human_review_status": "pending_spot_check",
      "review_required_before": "formal_legal_claim_or_customer_delivery",
      "defaults": {},
      "benchmark_sample": {
        "route": "",
        "bmg_star": 0,
        "bmg": 0.666,
        "source": "",
        "locator": "",
        "extraction_status": "auto_extracted_from_official_pdf_text_layout; requires spot-check before formal legal claim"
      }
    },
    {
      "cn8": "28041000",
      "factor_key": "2804 10 00",
      "description_en": "Hydrogen",
      "sector": "Hydrogen",
      "calculation_status": "fee_calculable_for_china_with_extracted_evidence",
      "review_priority": "high_frequency_commercial_sample",
      "human_review_status": "pending_spot_check",
      "review_required_before": "formal_legal_claim_or_customer_delivery",
      "defaults": {},
      "benchmark_sample": {
        "route": "",
        "bmg_star": 5.089,
        "bmg": 5.089,
        "source": "",
        "locator": "",
        "extraction_status": "auto_extracted_from_official_pdf_text_layout; requires spot-check before formal legal claim"
      }
    },
    {
      "cn8": "28141000",
      "factor_key": "2814 10 00",
      "description_en": "Anhydrous ammonia",
      "sector": "Ammonia",
      "calculation_status": "fee_calculable_for_china_with_extracted_evidence",
      "review_priority": "high_frequency_commercial_sample",
      "human_review_status": "pending_spot_check",
      "review_required_before": "formal_legal_claim_or_customer_delivery",
      "defaults": {},
      "benchmark_sample": {
        "route": "",
        "bmg_star": 1.522,
        "bmg": 1.522,
        "source": "",
        "locator": "",
        "extraction_status": "auto_extracted_from_official_pdf_text_layout; requires spot-check before formal legal claim"
      }
    },
    {
      "cn8": "31021010",
      "factor_key": "3102 10 19",
      "description_en": "Urea containing more than 45|% by weight of nitrogen on the dry anhydrous product",
      "sector": "Urea",
      "calculation_status": "fee_calculable_for_china_with_extracted_evidence",
      "review_priority": "high_frequency_commercial_sample",
      "human_review_status": "pending_spot_check",
      "review_required_before": "formal_legal_claim_or_customer_delivery",
      "defaults": {},
      "benchmark_sample": {
        "route": "",
        "bmg_star": 0.053,
        "bmg": 0.902,
        "source": "",
        "locator": "",
        "extraction_status": "auto_extracted_from_official_pdf_text_layout; requires spot-check before formal legal claim"
      }
    },
    {
      "cn8": "72011011",
      "factor_key": "7201",
      "description_en": "Containing by weight not less than 0,4% of manganese Containing by weight 1% or less of silicon",
      "sector": "Pig Iron",
      "calculation_status": "fee_calculable_for_china_with_extracted_evidence",
      "review_priority": "high_frequency_commercial_sample",
      "human_review_status": "pending_spot_check",
      "review_required_before": "formal_legal_claim_or_customer_delivery",
      "defaults": {},
      "benchmark_sample": {
        "route": "",
        "bmg_star": 1.089,
        "bmg": 1.21,
        "source": "",
        "locator": "",
        "extraction_status": "auto_extracted_from_official_pdf_text_layout; requires spot-check before formal legal claim"
      }
    },
    {
      "cn8": "72081000",
      "factor_key": "7208",
      "description_en": "In coils, not further worked than hot-rolled, with patterns in relief",
      "sector": "Iron or steel products",
      "calculation_status": "fee_calculable_for_china_with_extracted_evidence",
      "review_priority": "high_frequency_commercial_sample",
      "human_review_status": "pending_spot_check",
      "review_required_before": "formal_legal_claim_or_customer_delivery",
      "defaults": {},
      "benchmark_sample": {
        "route": "C",
        "bmg_star": 0.044,
        "bmg": 1.37,
        "source": "",
        "locator": "",
        "extraction_status": "auto_extracted_from_official_pdf_text_layout; requires spot-check before formal legal claim"
      }
    },
    {
      "cn8": "72131000",
      "factor_key": "7213",
      "description_en": "Containing indentations, ribs, grooves or other deformations produced during the rolling process",
      "sector": "Iron or steel products",
      "calculation_status": "fee_calculable_for_china_with_extracted_evidence",
      "review_priority": "high_frequency_commercial_sample",
      "human_review_status": "pending_spot_check",
      "review_required_before": "formal_legal_claim_or_customer_delivery",
      "defaults": {},
      "benchmark_sample": {
        "route": "C",
        "bmg_star": 0.038,
        "bmg": 1.364,
        "source": "",
        "locator": "",
        "extraction_status": "auto_extracted_from_official_pdf_text_layout; requires spot-check before formal legal claim"
      }
    },
    {
      "cn8": "76011010",
      "factor_key": "7601",
      "description_en": "Slabs",
      "sector": "Unwrought aluminium",
      "calculation_status": "fee_calculable_for_china_with_extracted_evidence",
      "review_priority": "high_frequency_commercial_sample",
      "human_review_status": "pending_spot_check",
      "review_required_before": "formal_legal_claim_or_customer_delivery",
      "defaults": {},
      "benchmark_sample": {
        "route": "K",
        "bmg_star": 1.423,
        "bmg": 1.423,
        "source": "",
        "locator": "",
        "extraction_status": "auto_extracted_from_official_pdf_text_layout; requires spot-check before formal legal claim"
      }
    },
    {
      "cn8": "76041090",
      "factor_key": "7604 10 90",
      "description_en": "Profiles",
      "sector": "Aluminium products",
      "calculation_status": "fee_calculable_for_china_with_extracted_evidence",
      "review_priority": "high_frequency_commercial_sample",
      "human_review_status": "pending_spot_check",
      "review_required_before": "formal_legal_claim_or_customer_delivery",
      "defaults": {},
      "benchmark_sample": {
        "route": "K",
        "bmg_star": 0.06,
        "bmg": 1.493,
        "source": "",
        "locator": "",
        "extraction_status": "auto_extracted_from_official_pdf_text_layout; requires spot-check before formal legal claim"
      }
    }
  ]
}