{
  "source_updated_at": {
    "us-hts-section-301.json": "2026-09-25T11:27:06.251Z",
    "au-tariff-codes.json": "2026-05-16T22:20:11.276Z",
    "us-ad-cvd-orders.json": "2026-05-16T23:32:23.566Z",
    "au-ad-measures.json": "2026-05-16T22:23:52.350Z",
    "us-hts-9903-footnote-map.json": "2026-09-26T14:51:49.417Z",
    "us-hts-9903-exclusions.json": "2026-09-26T14:51:49.417Z",
    "us-hts-9903-china-forced-labor.json": "2026-09-26T14:51:49.417Z"
  },
  "sources": {
    "us_chapters": "https://hts.usitc.gov/reststop/exportList?from=2800&to=3999&format=JSON&styles=false",
    "australia_tariff": "https://www.abf.gov.au/importing-exporting-and-manufacturing/tariff-classification/current-tariff",
    "us_anti_dumping": "https://legacy.trade.gov/enforcement/operations/scope/country/china/index.asp",
    "australia_anti_dumping": "https://www.industry.gov.au/anti-dumping-commission/measures-and-decisions/current-measures",
    "heading_9903_map": "https://hts.usitc.gov/reststop/exportList?from=9903.00&to=9903.99&format=JSON&styles=false",
    "forced_labor_notice": "https://www.federalregister.gov/documents/2026/07/28/2026-15181/notice-of-actions-in-section-301-investigations-of-acts-policies-and-practices-of-various-economies"
  },
  "csv": "/data/china-chemicals-tariff-stack.csv",
  "rule": "Each row copies stored text for one eight digit or ten digit line in chapters 28 to 39. Four digit and six digit lines in that file store no general rate, so they are not rows. A blank general rate stays blank. The US total column and the Australian total column say not stored. No percent is added. A footnote is copied as stored text and is not turned into a percent. A ranked list of 100 chemical codes with volumes and a date is not stored.",
  "china_additional_line": {
    "hts_code": "9903.05.31",
    "general_rate": "The duty provided in the applicable subheading + 12.5%",
    "copied_onto_a_chemical_line": false
  },
  "counts": {
    "eight_digit_lines": 268,
    "ten_digit_lines": 2729,
    "download_rows": 2997,
    "general_rate_blank": 902,
    "general_rate_free": 596,
    "general_rate_plain_percent": 1480,
    "general_rate_other_text": 19,
    "lines_with_a_9903_citation": 184,
    "percents_copied": 0,
    "lines_named_in_9903": 15,
    "named_9903_rates_copied": 0,
    "lines_with_us_heading_match": 651,
    "lines_with_au_six_digit": 2496,
    "lines_missing_au_six_digit": 501,
    "au_mfn_numeric_zero_on_matched_lines": 127,
    "au_mfn_not_a_number_on_matched_lines": 2369,
    "au_chafta_listed_on_matched_lines": 2496,
    "lines_with_au_china_code_match": 20,
    "us_totals_printed": 0,
    "au_totals_printed": 0,
    "exclusions_shown_on_a_chemical_line": 0
  }
}