scope:

This International Standard establishes uniform procedures for the classification, acceptance, and withdrawal of mechanical freight container seals. It provides a single source of information on mechanical seals which are acceptable for securing freight containers in international commerce. Seals that conform to this International Standard are suitable for other applications, such as bulk railcars or truck trailers used in cross-border and domestic operations. Users and regulatory agencies can apply this International Standard to other applications as they deem appropriate.