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ČSN is a protected designation of Czech national technical standards.
Tourism and related services - Visits to industrial, natural, cultural and historical sites - Requirements and recommendations
Standard published on 1.6.2023
Selected format:Adventure tourism - Hiking and trekking activities - Requirements and recommendations
Standard published on 1.8.2023
Selected format:Tourism and related services - Online travel agency (OTA) - Guidelines for online accommodation booking platform services
Standard published on 1.7.2025
Selected format:Adventure tourism - Cyclotourism - Requirements and recommendations
Standard published on 1.10.2025
Selected format:Recreational diving services - Requirements for the training of recreational scuba divers - Part 1: Level 1 - Supervised diver
Standard published on 1.10.2023
Selected format:Recreational diving services - Requirements for the training of recreational scuba divers - Part 2: Level 2 - Autonomous diver
Standard published on 1.2.2025
Selected format:Recreational diving services - Requirements for the training of recreational scuba divers - Part 3: Level 3 - Dive leader
Standard published on 1.9.2025
Selected format:Recreational diving services - Safety related minimum requirements for the training of recreational scuba divers - Part 1: Level 1 - Supervised Diver
WITHDRAWN published on 1.6.2004
Selected format:Recreational diving services - Requirements for the training of recreational scuba divers - Part 1: Level 1 - Supervised diver
WITHDRAWN published on 1.9.2014
Selected format:Recreational diving services - Safety related minimum requirements for the training of recreational scuba divers - Part 2: Level 2 - Autonomous Diver
WITHDRAWN published on 1.6.2004
Selected format:Latest update: 2026-05-17 (Number of items: 2 278 942)
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