BR-29
If both Invoicing period start date (BT-73) and Invoicing period end date (BT-74) are given then the Invoicing period end date (BT-74) shall be later or equal to the Invoicing period start date (BT-73).
ErrorEN 16931UBLCII
The official rule
EN 16931, EnglishIf both Invoicing period start date (BT-73) and Invoicing period end date (BT-74) are given then the Invoicing period end date (BT-74) shall be later or equal to the Invoicing period start date (BT-73).
Technical detail — where the rule is evaluated and the exact test
| Syntax | Context and assertion |
|---|---|
| UBL | cac:InvoicePeriod |
(exists(cbc:EndDate) and exists(cbc:StartDate) and xs:date(cbc:EndDate) >= xs:date(cbc:StartDate)) or not(exists(cbc:StartDate)) or not(exists(cbc:EndDate)) | |
| CII | //ram:ApplicableHeaderTradeSettlement/ram:BillingSpecifiedPeriod |
(ram:EndDateTime/udt:DateTimeString[@format = '102']) >= (ram:StartDateTime/udt:DateTimeString[@format = '102']) or not (ram:EndDateTime) or not (ram:StartDateTime) |
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