DIN - German Institute for Standardization

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Hydrogen Technologies Standards form the basic framework for market ramp-up
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Climate change Standards and specifications support climate targets
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Smart Farming Standards and specifications are drivers for the digitalization of agriculture
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Standards [New]

NF Z84-421 ; NF EN 319421:2025-10-29
Electronic Signatures and Trust Infrastructures (ESI) - Policy and Security Requirements for Trust Service Providers issuing Time-Stamps (V1.3.1)

Title (German)

Elektronische Signaturen und Infrastrukturen (ESI) - Policy- und Sicherheitsanforderungen an Vertrauensdiensteanbieter, die Zeitstempel ausgeben (V1.3.1)

Edition 2025-10-29

Original language French

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Hydrogen Technologies Standards form the basic framework for market ramp-up

Climate change Standards and specifications support climate targets

Smart Farming Standards and specifications are drivers for the digitalization of agriculture

NF Z84-421 ; NF EN 319421:2025-10-29 Electronic Signatures and Trust Infrastructures (ESI) - Policy and Security Requirements for Trust Service Providers issuing Time-Stamps (V1.3.1)

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NF Z84-421 ; NF EN 319421:2025-10-29
Electronic Signatures and Trust Infrastructures (ESI) - Policy and Security Requirements for Trust Service Providers issuing Time-Stamps (V1.3.1)