ibr-056
The Seller tax representative party (ibg-11) MUST have a Seller tax representative Tax identifier (ibt-063).
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.
cac:TaxRepresentativeParty
exists(cac:PartyTaxScheme/cbc:CompanyID)
Checked with PINT SG Invoice, PINT SG Credit Note, PINT JP Invoice, PINT A-NZ Invoice, PINT A-NZ Credit Note, PINT MY Invoice, PINT MY Credit Note