The Importance of DSU 2026
A Single Substitute Declaration (DSU) This document allows for the calculation of the ISEE and, consequently, defines how much of Single Check It will be added to your account.
Without this updated document for the current year, INPS does not have the legal means to verify whether your family still qualifies for the highest support brackets.
It is a common misconception to believe that, because the benefit is "continuous," the income statement should also be continuous.
In fact, each annual cycle requires a new assessment of the family's financial health.
The ISEE update for 2026 should consider the income and assets of the two previous years (2024), according to the standard rule of the Italian system.
If there has been a sharp drop in income in the last year, the citizen can opt for the "Current ISEE," which reflects the current economic situation and can considerably increase the value of their benefit. Single Check.
This is a powerful tool for families in transition who need more robust, immediate support.
The DSU submission can be done independently through the INPS website (ISEE Precompilato) or with the free support of a CAF (Tax Assistance Center).
The important thing is that the protocol is generated before February 28th. Otherwise, installments from March onwards will be paid at the minimum amount.
If you regularize your situation by June 30, 2026, INPS will automatically reimburse the difference from previous installments in the first available payroll.
