NordInvoice / EN 16931 / BT-9

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BT-9

Payment due date

BT-9 (Payment due date) is a business term of EN 16931, the European e-invoicing standard. This page shows where the field lives in a UBL invoice, how often it may appear and which validation rules check it.

Date by which payment is due.

Cardinality: 0..1

UBL element: cbc:DueDate

Example value: 2026-08-23

Validation rules that check this field

Browse the interactive EN 16931 mapper Check your invoice in the free validator