Code lists
- Document Reference Content Types
- ISO 3166 Alpha-2 Country codes
- Criterion Jurisdiction Level
- Criteria Type Codes
- ISO 4217 Currency Codes
- ISO 6523 International Code Designator (ICD)
- ISO 639-1 Language Codes
- Period Types
- Profile identifiers
- Response Data Types
- EconomicOperatorIdentifierType
- UN/ECE Recommandation 20