Formula
The score is calculated at build time with:
round((factors_passed / factors_total_excluding_na) * 10)
Any factor marked n/a is excluded from the denominator rather than treated as a failure.
The seven factors
- verified_official_source
- international_crosswalk
- previous_edition_migration
- complete_hierarchy
- size_or_threshold_documented
- trade_or_export_match
- legacy_crosswalk
Status rules
pass: evidence exists and the source is available.fail: the check ran but the evidence was not found.n/a: the source or the check type is not currently available for that code.
Trust note
This block is not an editorial rating and is not published as JSON-LD review markup. Its only purpose is to show how strong the currently available data layer is for the code.
Changelog
- 2026-05-04 - The reference page was published with the initial source layer, structure, and coverage note.
- 2026-05-04 - Metadata, internal linking, FAQs, and source-verification notes were updated.
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