3.4.13 Invoice Issue Date

Invoice Issue Date is the date the invoice was issued by the invoice issuer. This date serves as the official point of record for the billing document, determining the beginning of payment terms and providing a key reference point for financial audits and period closing processes.

InvoiceIssueDate MUST adhere to the following requirements:

• InvoiceIssueDate MUST be of type Date/Time.
• InvoiceIssueDate MUST conform to DateTimeFormat requirements.
• InvoiceIssueDate MAY be null.
• InvoiceIssueDate MUST represent the official date of issuance for the corresponding InvoiceId.

The date the invoice was issued by the invoice issuer.