For the 2026 cycle, organizations in scope of Italy's NIS regime must complete the annual registration window by 28 February 2026. ACN confirms that registration runs each year from 1 January to 28 February through the Services Portal.
Sources: ACN NIS next steps page, ACN NIS registration page
Key deadline facts
- Current cycle deadline: 28 February 2026.
- Registration window: 1 January - 28 February each year.
- Registration/updates are managed via ACN Services Portal.
Sources: ACN NIS next steps page, ACN NIS registration page, ACN Services Portal
Who must act before 28 February 2026
Based on ACN's published guidance:
- Public and private entities for which NIS applicability conditions occurred in 2025 must designate the point of contact and register.
- Entities already registered in 2025 must submit a new 2026 declaration, confirming or updating prior data.
Source: ACN NIS next steps page
Minimum actions to complete now
- Confirm or appoint the NIS point of contact according to ACN/NIS requirements.
- Ensure required identity and delegation/legal-title documentation is available.
- Access the ACN Services Portal and complete registration workflow.
- Submit the 2026 declaration before 28 February 2026.
- Keep submission evidence and the declaration copy for governance/audit records.
Sources: ACN NIS registration page, ACN Services Portal
Regulatory reference points
- Registration obligation is linked to Article 7 of the NIS decree.
- ACN indicates that procedures, terms, and process details are defined in Determination 379887/2025.
Sources: Legislative Decree 138/2024 (NIS), ACN determination document, ACN NIS registration page
Practical governance note
If internal records are incomplete, prioritize data integrity and legal accountability in the declaration rather than rushing unverified entries. Details are defined in the official ACN procedures and FAQ.
Source: ACN NIS registration page, ACN NIS FAQ
FAQ
Is the 28 February deadline only for first-time registrants?
No. ACN states that entities already registered in 2025 must also submit a 2026 declaration. Source: ACN NIS next steps page
Where is the registration completed?
Through the ACN Services Portal. Source: ACN Services Portal, ACN NIS registration page
What happens after registration closes?
ACN indicates that declarations are reviewed with sector authorities and the NIS subject list is formed according to the process defined by the framework and ACN procedures. Source: ACN NIS registration page
