Rules / IBR-029
IBR-029 error
If both Invoicing period start date
If both Invoicing period start date (ibt-073) and Invoicing period end date (ibt-074) are given then the Invoicing period end date (ibt-074) must be later or equal to the Invoicing period start date (ibt-073).
Fails when this is false
(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))The schematron test, verbatim. Context: cac:InvoicePeriod
Fix
Change the data so the statement above is true. Paste the invoice into the validator to see the exact element that fails.