BR-DE-27
In BT-42 sollen mindestens drei Ziffern enthalten sein.
What does this rule mean?
The seller telephone number (BT-42) has fewer than three digits.
XRechnung requires a plausible telephone number with at least three digits.
- BT-42
- Seller contact telephone number
Official rule message (standard)
In BT-42 sollen mindestens drei Ziffern enthalten sein.
Official rule message from the standard.
Where the rule applies
Syntax: CII · UBL
The same rule, expressed twice: UBL and CII name the same fields with different paths. Running a CII file against the UBL rules is why you get errors that mean nothing.
UBL
/ubl:Invoice/cac:AccountingSupplierParty/cac:Party/cac:Contact | /cn:CreditNote/cac:AccountingSupplierParty/cac:Party/cac:Contact
CII
/rsm:CrossIndustryInvoice/rsm:SupplyChainTradeTransaction/ram:ApplicableHeaderTradeAgreement/ram:SellerTradeParty/ram:DefinedTradeContact
Technical test
The rule passes when this Schematron expression holds true:
matches(normalize-space(ram:TelephoneUniversalCommunication/ram:CompleteNumber), $XR-TELEPHONE-REGEX)How to fix it
A missing or incorrect business entry only you can supply. Add or correct it, then re-check.
Enter a complete telephone number.
Correct the affected entry in your XML, then re-check the invoice. Validation runs locally in your browser — your file never leaves your machine.
Check an e-invoice here
Drop an XML or ZUGFeRD PDF file here. Validation runs locally in your browser against EN 16931 — your file never leaves your machine.