Tax assistance 730/4 allows the consultation of the adjustments deriving from the Income Tax Returns - Form 730 that the INPS receives from the Revenue Agency. The service allows taxpayers to change or zero the second advance payment of the Personal Income Tax (IRPEF) and/or the flat rate tax (Cedolare Secca) online.
Taxpayer declarants who submitted Form 730, designating the INPS as withholding agent to make the adjustments.
The service allows consultation of the accounting data (730/4) received by the INPS, with the results of the elaborations carried out. The possibility of changing or zeroing the second advance payment is subject to the possession of the credentials for access.
- Summary of tax assistance (pdf 263KB)
- Tax Assistance 730-4 Operating Manual (pdf 355KB)
- Form 730 with the INPS as withholding agent: user manual (pdf 2.77MB)