# F-LIB385

Source: https://xmlvalid.com/rules/F-LIB385

> TaxAmount of '…' must equal the sum of all following TaxSubtotal/TaxAmount '…'

- 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: `(xs:decimal(child::cbc:TaxAmount) = round((sum(cac:TaxSubtotal/xs:decimal(cbc:TaxAmount)) * 10 * 10)) div 100) or not(cac:TaxSubtotal)`

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