# BR-57 Delivery address must include a country code

Each deliver-to address (BG-15) must contain the deliver-to country code (BT-80).

## Problem Description

Each deliver-to address (BG-15) must contain the deliver-to country code (BT-80).

> **ERROR**: XRechnung 3.0

## Context and Significance

Delivery country affects VAT and profile checks. A partial delivery address without country is not valid structured data.

## Solution

Add BT-80 as an ISO 3166-1 alpha-2 country code whenever any delivery address data is present.

- validate
- convert

## Valid Examples

- BT-80 = DE
- BT-80 = FR

## Invalid Examples

- Delivery street and city present but no country
- Country written as Germany instead of DE

## Technical Details

### Affected Fields
BT-80 Deliver to country code

## Related Rules

- [BR-DE-20](/resources/kosit-validator-errors/br-de-20-contract-reference-must-be-provided)

## 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.