ISO 26261-4:2017规定了4类烟花的最低标签要求和强制性使用说明。本文件不适用于设计用于室内或室外舞台的戏剧烟火物品，包括电影和电视制作或类似用途。

ISO 26261-4:2017 specifies the minimum labelling requirements and the mandatory instructions for use for Category 4 fireworks. This document does not apply for theatrical pyrotechnic articles which are designed for indoor or outdoor stage use, including film and television productions or similar use.