# F-CRN072

Source: https://xmlvalid.com/rules/F-CRN072

> The sum of CreditNoteLine/LineExtensionAmount ('…') elements must equal LineExtensionAmount ('…')

- Level: error
- Rule sets: OIOUBL 2.1 Credit Note rules (Denmark) 1.17.2
- Context: `doc:CreditNote/cac:LegalMonetaryTotal`
- Test: `((cbc:LineExtensionAmount - sum(../cac:CreditNoteLine/cbc:LineExtensionAmount)) > 0.0055) or ((cbc:LineExtensionAmount - sum(../cac:CreditNoteLine/cbc:LineExtensionAmount)) < -0.0055)`

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