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ISO 3166 / 4217 / 639 country, currency, language codes

Code System Cross Domain specification sold

I have not written this one up yet, and I would rather leave it blank than put words in the steward's mouth. The entry is verified and the facts in the sidebar are confirmed — the reading is still to come.

Other cross domain data models

BFO (Basic Formal Ontology) Ontology / Vocabulary BPMN Metadata Model Creative Commons Rights Expression Language (ccREL) Ontology / Vocabulary CloudEvents Exchange Schema CMMN (Case Management Model and Notation) Metadata Model W3C CSV on the Web (CSVW) Metadata Model Data Vault 2.0 Metadata Model DMN (Decision Model and Notation) Metadata Model Event Ontology Ontology / Vocabulary FOAF Ontology / Vocabulary Frictionless Data Package / Table Schema Metadata Model IAO (Information Artifact Ontology) Ontology / Vocabulary
All 49 in cross domain →
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Model Details
Steward ISO
Layer Code System
Domain Cross Domain
Status live
Access Specification sold by the steward
Go to the steward →
How I know this

Compiled for the API Evangelist data model catalog, then confirmed against the steward's own site.

Confirmed 2026-08-11

Evidence: name evidence 4/4. Found something wrong? Tell me — corrections are cheap and I would rather be right.

Modernity Profile
29.6 Legacy
Access Enclosed
Assessed 71.0% of the rubric

A separate measure from the Kin Score, which rates API providers. This rates how current a standard is in how it is expressed, published and paid for — not how good it is. EDIFACT and X12 score low here and move an enormous share of world trade.

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