3733473 - VAT registration number is incorrectly copied from reference billing documents in correction invoices and cannot be edited -SAP S/4HANA Cloud Public Edition

Correction billing documents created with reference show incorrect, non-editable VAT registration numbers (ignoring time-dependent BP data), causing mismatches between VAT reports and printed output in app 'Change Billing Documents' (VF02).

SAP S/4HANA Cloud Public Edition

incorrect vat registration number, billing document, credit memo, debit memo, correction billing, reference document copy, vat not editable, billing printout mismatch, vat control report discrepancy, BILL_DOC_RES-VATRegistration, SD_BIL_DATA_TRANSFER, copying control, business partner vat, s/4hana cloud public edition , KBA , SD-BIL-IV-2CL , Processing Billing Documents (Public Cloud) , Problem