Message

Each Invoice line allowance (BG-27) shall have an Invoice line allowance amount (BT-136).

Context
//cac:InvoiceLine/cac:AllowanceCharge[cbc:ChargeIndicator = false()] | //cac:CreditNoteLine/cac:AllowanceCharge[cbc:ChargeIndicator = false()]
Test
exists(cbc:Amount)
Usage
/ ubl:Invoice / cac:InvoiceLine / cac:AllowanceCharge / cbc:Amount
/ ubl:CreditNote / cac:CreditNoteLine / cac:AllowanceCharge / cbc:Amount