# F-LIB313

Source: https://xmlvalid.com/rules/F-LIB313

> Invalid UBLExtension/ID when UBLExtension/ExtensionAgencyID is equal to 'Digitaliseringsstyrelsen'. ID must be an assigned value between '1001' and '1999'.

- Level: error
- Rule sets: OIOUBL 2.1 Invoice rules (Denmark) 1.17.2, OIOUBL 2.1 Credit Note rules (Denmark) 1.17.2, OIOUBL 2.1 Reminder rules (Denmark) 1.17.2
- Test: `ext:UBLExtensions/ext:UBLExtension/ext:ExtensionAgencyID = 'Digitaliseringsstyrelsen' and (ext:UBLExtensions/ext:UBLExtension/cbc:ID < '1001' or ext:UBLExtensions/ext:UBLExtension/cbc:ID > '1999')`

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