[ibr-186-ae]-When the Item type [BTAE-13] is 'Both' then Item classification identifier (ibt-158) and Service accounting code (BTAE-17) must be provided. .
ibr-186-ae
cac:Item
not(cac:CommodityClassification/cbc:CommodityCode = "B") or cac:CommodityClassification/cbc:ItemClassificationCode or cac:AdditionalItemIdentification/cbc:ID