# FACTURAE-3.1.5.14

Source: https://xmlvalid.com/rules/FACTURAE-3.1.5.14

> TotalOutstandingAmount (…) must be InvoiceTotal - (subsidies + TotalPaymentsOnAccount) (…).

- Level: error
- Rule sets: Facturae validation rules of the Spanish public sector Orden HAP/1650/2015, Facturae 3.2.x description of 6 June 2017
- Context: `/*:Facturae/*:Invoices/*:Invoice`
- Test: `abs($outstanding - ($total - sum(for $s in $totals/*:Subsidies/*:Subsidy return es:dec($s/*:SubsidyAmount)) - es:dec($totals/*:TotalPaymentsOnAccount))) le 0.01`

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