# FACTURAE-3.1.5.4

Source: https://xmlvalid.com/rules/FACTURAE-3.1.5.4

> TotalGeneralDiscounts (…) is not the sum of the GeneralDiscounts (…).

- 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($discounts - sum(for $d in $totals/*:GeneralDiscounts/*:Discount return es:dec($d/*:DiscountAmount))) le 0.01`

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