FACTURAE-3.1.5.1
TotalGrossAmount (…) is not the sum of the lines' GrossAmount (…).
error: the document is invalid
What the rule checks
As the rule set's publisher wrote it. The rule runs on every element the context matches, and fails where the test is false; the validator reports the line of that element.
Context
/*:Facturae/*:Invoices/*:Invoice
Test
$euro or abs($gross - $lineGross) le 0.01
Checked with Facturae 3.2.2