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BR-21

Message

Each Invoice line (BG-25) shall have an Invoice line identifier (BT-126).

Context
cac:InvoiceLine | cac:CreditNoteLine
Test
normalize-space(cbc:ID) != ''
Usage
/ ubl:Invoice / cac:InvoiceLine / cbc:ID
/ ubl:CreditNote / cac:CreditNoteLine / cbc:ID