DIN ISO 20712-3
Water safety signs and beach safety flags - Part 3: Guidance for use (ISO 20712-3:2020)
Wasser-Sicherheitszeichen und Strand-Sicherheitsflaggen - Teil 3: Leitlinien zur Anwendung (ISO 20712-3:2020)
Responsible national committee
NA 095-01-06 GA - Joint working committee NASG/DKE: Safety identification
Responsible international committee
ISO/TC 145/SC 2 - Safety identification, signs, shapes, symbols and colours