BR-DE-27: Telephone number with too few digits (BT-42)
Severity: warning · Syntax: CII, UBL
Official message
In BT-42 sollen mindestens drei Ziffern enthalten sein.
What this means
BT-42 should contain at least three digits. Severity warning. The assertion matches the number against XR-TELEPHONE-REGEX, which in the stylesheet is .*([0-9].*){3,}.*. UBL reads cbc:Telephone, CII reads ram:CompleteNumber.
Typical cause
The field contains "n/a", a name, or a number with only two digits.
How to fix it
Write a telephone number with at least three digits.
UBL
<cbc:Telephone>+4930123456</cbc:Telephone>CII
<ram:CompleteNumber>+4930123456</ram:CompleteNumber>Business term
BT-42
Related rules
Context and assertion
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
UBL
matches(normalize-space(cbc:Telephone), $XR-TELEPHONE-REGEX)CII
matches(normalize-space(ram:TelephoneUniversalCommunication/ram:CompleteNumber), $XR-TELEPHONE-REGEX)Check a file now, free of charge
curl -F "file=@rechnung.xml" https://checkxrechnung.com/v1/validate
Questions
What does BR-DE-27 actually check?
BT-42 should contain at least three digits. Severity warning. The assertion matches the number against XR-TELEPHONE-REGEX, which in the stylesheet is .*([0-9].*){3,}.*. UBL reads cbc:Telephone, CII reads ram:CompleteNumber.
How do I fix BR-DE-27?
Write a telephone number with at least three digits.
If BR-DE-27 passes, is the invoice legally compliant?
No. This page helps you read this one Schematron assertion. A pass is not a statement about tax law, portal acceptance, or bank overlays.