#BGBl. 2025 I Nr. 325Law on the Treaty for the Establishment, Operation and Further Development of the National Once-Only Technical System (NOOTS) – Treaty for the Implementation of Article 91c Paragraph 1 and 2 of the Basic Law – NOOTS State Treaty of 12 December 2025
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This German federal law ratifies and implements the NOOTS State Treaty signed on 12 December 2025. It establishes a national Once-Only Technical System that allows citizens and businesses to provide data to public authorities only once, with secure electronic exchange between federal, state, and local administrations. The system is based on Article 91c of the German Basic Law which governs IT cooperation between the Federation and the Länder. The law designates the Federal Ministry for Digital Affairs and State Modernization as the lead authority and sets the legal framework for the system's construction, operation, data protection, and ongoing development. It was published in the Federal Law Gazette (BGBl. 2025 I Nr. 325) on 17 December 2025.
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Key Changes
- Establishes the National Once-Only Technical System (NOOTS) for single submission of data to all public authorities
- Enables secure electronic data exchange between federal, state (Länder) and local administrations
- Implements Article 91c paragraphs 1 and 2 of the German Basic Law for IT cooperation
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Obligations
What this law requires
The Federal Ministry for Digital Affairs and State Modernization must serve as the lead authority (Federführung) for the establishment, operation, and further development of the NOOTS system.
Federal, state, and local administrations must participate in secure electronic data exchange within the NOOTS system to enable the once-only principle for citizen and business data submission.
The NOOTS system must be constructed and operated in compliance with data protection requirements as specified in the State Treaty.
Participating administrations must implement technical measures to ensure that citizens and businesses provide personal data to public authorities only once, with subsequent secure electronic exchange between administrative bodies.
The Federal Ministry for Digital Affairs and State Modernization must coordinate ongoing development of the NOOTS system in accordance with the State Treaty framework.