[IBR-037-OM] - Invoicing period start date (IBT-073) and the Invoicing period end date (IBT-074) must be provided where Invoice transaction type code (BTOM-001) is a summary invoice (XXXX1XXXXXXXXXXXXXXX) or Continuous supply (XXXXX1XXXXXXXXXXXXXX).
IBR-037-OMubl:Invoice | cn:CreditNotenot($isSummary or $isContinuous) or (cac:InvoicePeriod/cbc:StartDate and cac:InvoicePeriod/cbc:EndDate)