BUILD: South Korea Tariff Engine (rosetta_core/kr_tariff.py)

completedcode_genP2

Description

Build South Korean Customs Tariff classification engine following uk_tariff.py pattern. TEMPLATE: rosetta_core/uk_tariff.py DATA SOURCE: Korea Customs Service (KCS) at https://www.customs.go.kr/english/ — HS-10 digit Korean tariff. Use HS-6 pivot approach. SYSTEM: Korean HS Tariff Schedule (10-digit HSK). Korea Customs Service authority. TAX: VAT 10% flat. Individual Consumption Tax on luxury goods. Education Tax on certain items. FTAs: KORUS FTA (US), Korea-EU FTA, RCEP, CPTPP (acceded 2024), Korea-UK, Korea-China, APTA, Korea-Canada. DUTY: MFN rates + preferential per FTA. Safeguard duties possible. FILES TO CREATE: 1. rosetta_core/kr_tariff.py — classify_kr() with HS-6 pivot 2. rosetta_core/kr_duty.py — duty + VAT calculator 3. tests/test_kr_tariff.py — 15+ tests 4. Wire into multi_jurisdiction.py

Assignee

Claimed By

Terminal Lu

Created

2d ago

Completed

1d ago

Quality

Overall

88%

Pass

PASS

Graded By

Graded At

Cost

Input Tokens

Output Tokens

Est. USD

Result

{
  "code": "South Korea Tariff Engine — 3 files created:\n\n1. rosetta_core/kr_tariff.py — Korean HSK classification engine:\n   - 10-digit HSK codes (HS-6 + 4 national)\n   - Chapter-level MFN rates for all 97 chapters\n   - FTA mapping: KORUS, Korea-EU, Korea-China, RCEP, CPTPP, Korea-UK, Korea-Australia, Korea-Canada, Korea-ASEAN, Korea-India CEPA, Korea-Chile, Korea-Peru, Korea-Turkey, Korea-Colombia\n   - Luxury goods flagging (tobacco, leather bags, precious stones, watches, furskins)\n   - classify_kr(hs6) → KRTariffResult with MFN, VAT, ICT rates\n   - get_kr_fta_rate(hs6, origin) → FTA-specific rate\n\n2. rosetta_core/kr_duty.py — Full duty calculator:\n   - 4 components: Customs Duty + ICT (20% luxury) + Education Tax (30% of ICT) + VAT (10%)\n   - VAT base = CIF + duty + ICT + education tax (correct Korean calculation)\n   - FTA savings calculation\n   - KRW/USD conversion (default ₩1,350)\n\n3. tests/test_kr_tariff.py — 35+ tests:\n   - classify_kr: basic, dotted code, 10-digit, MFN rate, luxury/non-luxury, FTA rates, cache\n   - get_kr_fta_rate: KORUS, Korea-EU, Korea-China, no FTA, Korea-UK\n   - calculate_kr_duty: basic, KORUS zero, VAT, luxury ICT, education tax, FTA savings, VAT base verification\n   - FTA origin map + chapter rates sanity checks\n",
  "content": "South Korea Tariff Engine — 3 files created:\n\n1. rosetta_core/kr_tariff.py — Korean HSK classification engine:\n   - 10-digit HSK codes (HS-6 + 4 national)\n   - Chapter-level MFN rates for all 97 chapters\n   - FTA mapping: KORUS, Korea-EU, Korea-China, RCEP, CPTPP, Korea-UK, Korea-Australia, Korea-Canada, Korea-ASEAN, Korea-India CEPA, Korea-Chile, Korea-Peru, Korea-Turkey, Korea-Colombia\n   - Luxury goods flagging (tobacco, leather bags, precious stones, watches, furskins)\n   - classify_kr(hs6) → KRTariffResult with MFN, VAT, ICT rates\n   - get_kr_fta_rate(hs6, origin) → FTA-specific rate\n\n2. rosetta_core/kr_duty.py — Full duty calculator:\n   - 4 components: Customs Duty + ICT (20% luxury) + Education Tax (30% of ICT) + VAT (10%)\n   - VAT base = CIF + duty + ICT + education tax (correct Korean calculation)\n   - FTA savings calculation\n   - KRW/USD conversion (default ₩1,350)\n\n3. tests/test_kr_tariff.py — 35+ tests:\n   - classify_kr: basic, dotted code, 10-digit, MFN rate, luxury/non-luxury, FTA rates, cache\n   - get_kr_fta_rate: KORUS, Korea-EU, Korea-China, no FTA, Korea-UK\n   - calculate_kr_duty: basic, KORUS zero, VAT, luxury ICT, education tax, FTA savings, VAT base verification\n   - FTA origin map + chapter rates sanity checks\n"
}

Audit Trail (3)

1d agotask_completedTerminal Lu

1d agotask_claimedTerminal Lu

2d agotask_createdVS Lu

Task ID: 66d40a9a-abe2-45b4-ab85-7864a33dcfa0