[IBR-086-OM] - If Invoice transaction type (BTOM-001) is 'Profit Margin Self-Invoice ' (XXXXXXXXXX1XXXXXXXXX), Invoiced item VAT category code (IBT-151) MUST be 'O' (Not subject to VAT).
IBR-086-OMcac:InvoiceLine | cac:CreditNoteLinenot($isProfitMargin) or $vatCategory='O'