In the printout of your reported VAT Return (Output VAT Domestic Register), you notice that the VAT Number column (Partita IVA del business partner) is blank.
SAP Business ByDesign
You have not maintained the VAT Code for the Supplier / Customer account.
For the Business Partner VAT Number to show in the column, you need to maintain both the VAT Code and VAT Registration Number for every Supplier / Customer account.
VAT Returns, Output VAT Domestic Register, Partita IVA del Business Partner, VAT Number, IVA Code. , KBA , SRD-FIN-GLO-TAX , GLO - Tax Declaration , Problem