# F-CRN090

Source: https://xmlvalid.com/rules/F-CRN090

> Invalid LineExtensionAmount. No more than 4 decimals

- Level: error
- Rule sets: OIOUBL 2.1 Credit Note rules (Denmark) 1.17.2
- Context: `doc:CreditNote/cac:CreditNoteLine/cbc:LineExtensionAmount`
- Test: `string-length(substring-after(., '.')) > 4`

Validate a document against these rules: https://xmlvalid.com/validate