ItalyGuideNo. AA4/8
AA4/8 — Application for a tax code (codice fiscale)
The form to get an Italian tax code, report a change of details or request a duplicate card.
TaxView guide
Italian GovernmentBenefits and creditsGuide
DSU — Declaration for the ISEE (INPS)
The single declaration used to calculate the ISEE, the household financial indicator required for many benefits.
The form is downloaded and submitted on the authority's website.
What this form is for
- Get an ISEE certificate, which measures your household's financial situation and determines access to social benefits, family support, reduced rates or university grants.
- The pre-filled DSU combines what you declare with data already held by the Agenzia delle Entrate and INPS.
Documents to have ready
- Your household composition and each member's tax code
- Each member's income and assets (savings, investments, property)
- Online access: SPID, CIE or CNS
Where to send it
Online on the INPS « Portale unico ISEE » (in Italian), or with help from a CAF (tax assistance centre).
Our tips
- Always download the latest version from the official site.
- Keep a copy of what you send, with the date you sent it.
The information on this page is general. If in doubt, the official source prevails.