# BR-DE-11 Payment terms must be provided

Payment terms must be provided on the invoice.

## Problem Description

Payment terms must be provided on the invoice.

> **ERROR**: XRechnung 3.0

## Context and Significance

Payment terms define when and how an invoice is payable (for example, due in 14 days, with discount conditions, or specific settlement instructions). Missing terms can lead to manual clarification and delayed payment.

## Solution

Add the payment terms to the invoice.

## Valid Examples

- Payable within 14 days net
- 2% discount if paid within 10 days; otherwise 30 days net

## Invalid Examples

- No payment terms provided
- Empty payment terms note

## Code Examples

### Valid XML
```
<cac:PaymentTerms>
  <cbc:Note>Payable within 14 days net</cbc:Note>
</cac:PaymentTerms>
```

### Invalid XML
```
<!-- Missing cac:PaymentTerms -->
```

## Technical Details

### Affected Fields
Payment Terms

## Related Rules

- [BR-DE-9](/resources/kosit-validator-errors/br-de-9-invoice-currency-code-must-be-eur)

## Validation Tools

- [Official KoSIT Validator](https://erechnungsvalidator.service-bw.de/): Validate your XRechnung files against all BR-DE rules.
- [Convert PDF to XRechnung](/pdf-to-xrechnung): Automatic validation error fixes when converting.

## Related Resources

- [Official Specification](https://xeinkauf.de/xrechnung/)
- [Test Suite](https://github.com/itplr-kosit/xrechnung-testsuite)
- [Complete Error List](/resources/kosit-validator-errors): Overview of all German XRechnung validation rules.