INPS Single Certification 2026: A Comprehensive Guide
The Italian National Social Security Institute (INPS) has released the 2026 Single Certification (Certificazione Unica), detailing income received in 2025. This crucial document is now accessible through various digital and traditional channels, reflecting INPS’s commitment to simplifying services for citizens. As of March 16, 2026, 26,723,939 Single Certifications had already been processed [1].
What is the Single Certification?
The Single Certification is an annual document that details income subject to various contributions and withholdings. It outlines amounts paid by INPS related to pensions, social security, welfare benefits, and income support. It’s essential for completing annual tax returns and allows the Italian Revenue Agency to pre-compile 730 forms for employees, streamlining the tax filing process [2].
Who Needs the Single Certification?
The Single Certification applies to individuals who have received income from the following sources:
- Employed work
- Assimilated income
- Pensions
- Self-employment
- Commissions for services
- Occasional work
- Income from commission reports, agency, mediation, commercial representation, and business procurement
- Other types of income
The Single Certification aggregates income from multiple sources into a single document [2].
How to Access the 2026 Single Certification
INPS offers multiple convenient ways to access your 2026 Single Certification:
Online Access
- MyINPS Portal: Access the document through the INPS website by logging into your personal area with SPID, CIE (electronic identity card), CNS (national service card), PIN, or eIDAS credentials. Navigate to “Your services and tools,” then “Tax services and payments received from INPS,” and select “Single Certification 2026” [2].
- Pension Payslip Service: Pensioners can download their CU via the online “Pension Payslip” service.
- INPS Mobile App: Available for Android and iOS devices, the app allows access to the CU using your personal credentials.
Alternative Access Methods
- Patronages and CAF: Request the certification through authorized patronages (assistance centers) and CAF (tax assistance centers).
- Certified Email (PEC): Send a request to richiestacertificazioneunica@postacert.inps.gov.it, attaching a copy of your identity document. The CU will be sent to the email address used.
- Toll-Free Number: Call 800 434320 for dedicated assistance.
- Contact Center: Call 803 164 or 06 164164 for assistance.
Important Dates
The 2026 Single Certification relates to income received in 2025. The document was released on March 16, 2026, for those who submitted requests through the “ordinary form.” Certifications containing income from self-employment services must be sent by April 30, 2026.