The start date of the delivery period or the period to which the invoice applies.
Used for periodic invoicing or delivery schedules.
Optional according to EN 16931-1.
/Invoice/cac:InvoicePeriod/cbc:StartDate/CrossIndustryInvoice/SupplyChainTradeTransaction/ApplicableHeaderTradeAgreement/ram:ApplicableHeaderTradeDelivery/ram:BillingSpecifiedPeriod/ram:StartDateTime2024-01-012024-03-152024-12-0101.01.2024✗ Invalid2024/01/01✗ Invalid2024-13-01✗ InvalidOur AI-powered Invoice Converter automatically handles all XRechnung requirements, including proper field validation.