BR-DE-27: The seller's telephone number (BT-42) should contain at least three digits
What it means
The seller's telephone number (BT-42) should contain at least three digits.
How to fix it
Use a full phone number.
Official message
In BT-42 sollen mindestens drei Ziffern enthalten sein.
Rule details
- Rule set
- XRechnung 3.0 rules (KoSIT): XRechnung 3.0.2 (rules 2.6.0) from KoSIT
- Severity
- Warning. A warning does not make the invoice invalid.
- Formats
- UBL and CII
To check invoices from your own software, use the API: see the API reference.
Related rules
- BR-DE-25-a: Payment means code 59 (direct debit) requires exactly one direct debit group (BG-19)
- BR-DE-25-b: Credit transfer or card details are not allowed with direct debit (59)
- BR-DE-26: A corrected invoice (type code 384) should reference the invoice it corrects (BG-3)
- BR-DE-28: The seller's email address (BT-43) does not look valid
- BR-DE-30: Direct debit (BG-19) requires the bank-assigned creditor identifier (BT-90)