# BR-DE-1 Payment instructions must be provided

Every XRechnung invoice must contain the payment instructions group.

## Problem Description

Every XRechnung invoice must contain the payment instructions group.

> **ERROR**: XRechnung 3.0

## Context and Significance

This entry follows the XRechnung 3.0.2 Schematron rule semantics used by KoSIT validation.

## Solution

Add BG-16 payment instructions, including the applicable payment means data.

- validate
- convert

## Valid Examples

- BG-16 Payment instructions is present and valid.

## Invalid Examples

- BG-16 Payment instructions is missing or invalid.

## Code Examples

### Valid XML
```
<cac:PaymentMeans>
  <cbc:PaymentMeansCode>58</cbc:PaymentMeansCode>
  <cac:PayeeFinancialAccount>
    <cbc:ID>DE89370400440532013000</cbc:ID>
  </cac:PayeeFinancialAccount>
</cac:PaymentMeans>
```

### Invalid XML
```
<!-- No cac:PaymentMeans (BG-16) group present in the invoice -->
<cac:LegalMonetaryTotal>
  <cbc:PayableAmount currencyID="EUR">119.00</cbc:PayableAmount>
</cac:LegalMonetaryTotal>
```

## Affected Fields

- [BG-16 Payment instructions](/resources/xrechnung)

## Related Rules

- [BR-49](/resources/kosit-validator-errors/br-49-payment-means-type-code-required)
- [BR-50](/resources/kosit-validator-errors/br-50-credit-transfer-account-identifier-required)
- [BR-61](/resources/kosit-validator-errors/br-61-credit-transfer-account-required)

## 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.