dataset/ATTRIBUTION.md

# Attribution

This dataset includes and builds on HS nomenclature content from:

- `datasets/harmonized-system`:
  - <https://github.com/datasets/harmonized-system>
  - Upstream references: WCO HS nomenclature materials and UN Comtrade API

## Licensing

- Upstream HS source data: **ODC Public Domain Dedication and License (PDDL) v1.0**
  - <https://opendatacommons.org/licenses/pddl/1-0/>
- Project-generated synthetic text examples and label normalization:
  - **MIT License** (see this repository's `LICENSE`)

## Notes

- HS codes are international nomenclature identifiers and may vary by country-level tariff schedules/extensions.
- Use this dataset for prototyping and research; verify classifications in official customs workflows.