R_BT_32_cui: Seller CUI incorrect
What it means
RO e-Factura R_BT_32_cui means the seller's CUI in the invoice failed ANAF's CUI check.
The usual cause
The seller's tax identifier in AccountingSupplierParty/Party/PartyTaxScheme/CompanyID is not accepted as a valid CUI. Check it for a wrong or missing digit or for extra characters.
How to fix it
Correct the seller's CUI in that element against the company's registration details, then check the file again before you send it.
Elements the check reads
-
AccountingSupplierParty/Party/PartyTaxScheme/CompanyID
The code as published
R_BT_32_cui is the value ANAF itself sends, as its documentation writes it; the explanation is Klarbon's.
Read the official document . Source: eFactura: Serviciu de validare pentru sintaxa UBL Invoice si CreditNote (validare), version 1.0 (2022-10-28), published by Ministerul Finanțelor, read on 8 November 2026.
Klarbon explains each code in its own words; the official wording is in the document linked above.
Look at your file
Open the invoice in your browser to find the fields this code names: Open a Romanian e-Factura invoice. Open a Romanian e-Factura invoice