The date when the Invoice was issued.
The invoice issue date determines when the invoice becomes legally effective and starts payment terms. It is crucial for VAT reporting periods and legal compliance.
Mandatory according to EN 16931-1 and German VAT law (UStG §14). The date must be accurate for VAT reporting and legal enforceability.
/Invoice/cbc:IssueDate/CrossIndustryInvoice/ExchangedDocument/ram:IssueDateTime/udt:DateTimeString2024-03-272024-12-312025-01-0127.03.2024✗ Invalid03/27/2024✗ Invalid2024-13-01✗ Invalid2024-02-30✗ InvalidGenerally no. The invoice issue date should be the actual date when the invoice was created and sent to the customer.
The invoice issue date determines in which VAT reporting period the invoice must be included for both the issuer and recipient.
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