Guides
Guides
Short, sourced explanations of how these code lists are used in ERP master data and e-invoices. Each guide names its sources and limitations, and takes its numbers from the imported data.
Guides on UN/ECE unit codes (Rec 20), package codes (Rec 21) and UN/LOCODE are not published while the reuse terms of those UNECE lists are unconfirmed.
Currency minor units and decimal places in ERP
Why not every currency has two decimals, how ISO 4217 minor units differ from CLDR fraction digits, and what to check in your ERP currency setup.
Checked 2026-10-11