Message

Each item in a Receipt Advice line SHALL be identifiable by either "item seller's identifier" or "item standard identifier"

Context
cac:ReceiptLine
Test
(cac:Item/cac:StandardItemIdentification/cbc:ID) or (cac:Item/cac:SellersItemIdentification/cbc:ID) or not(cac:Item)
Usage
/ ubl:ReceiptAdvice / cac:ReceiptLine / cac:Item / cac:SellersItemIdentification / cbc:ID
/ ubl:ReceiptAdvice / cac:ReceiptLine / cac:Item / cac:StandardItemIdentification / cbc:ID