errorDEXRECHNUNG

`BR-DE-27`:Seller Contact Telephone Must Contain At Least Three Digits

Contact telephone numbers must follow proper format guidelines. German XRechnung requires telephone numbers to be properly formatted for machine processing, typically with country code and without invalid characters.

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Auto-fix: Normalize telephone number format. Remove invalid characters, standardize spacing, add country code prefix if missing and country is known. Preserve the actual phone digits while fixing format.

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Why This Error Matters

Invoice will be rejected by XRechnung validation. Improperly formatted phone numbers cannot be processed by automated systems and fail schema validation.

How to Fix It

Technical Details

XPath: //cac:AccountingSupplierParty/cac:Party/cac:Contact/cbc:Telephone | The seller contact telephone number (BT-42) must contain at least three numeric digits. This ensures the telephone number is a valid, usable contact number.

Common Causes

Phone number entered with spaces or dashes in wrong places
Missing country code prefix
Invalid characters like parentheses or letters
Extension number formatted incorrectly
Local format used instead of international format

Frequently Asked Questions

This error occurs when the seller contact telephone (BT-42) contains fewer than three numeric digits. XRechnung requires telephone numbers to have at least three digits to be considered valid contact information.

Enter a complete telephone number with at least three digits. Use international format like +49 30 12345678 for German numbers. Remove any placeholder text or letters that are not part of the phone number.

Use international format: +[country code] [area code] [number]. For Germany: +49 30 12345678. The number should contain only digits, spaces, and optionally + for the country code prefix.

No, the telephone field should only contain numeric digits. Letters are not counted toward the minimum three digit requirement and will not be valid for machine processing.

BR-DE-27:Seller Contact Telephone Must Contain At Least Three Digits