ISO 26261-2:2017 specifies requirements for the construction, performance and protective packaging of Category 4 fireworks, as listed in ISO 26261-1.
ISO 26261-2:2017 does not apply for articles containing pyrotechnic compositions that include any of the following substances:
- arsenic or arsenic compounds,
- polychlorobenzenes,
- lead or lead compounds (except for igniters),
- mercury compounds,
- white phosphorus,
- picrates or picric acid.
ISO 26261-2:2017 does not apply for theatrical pyrotechnic articles which are designed for indoor or outdoor stage use, including film and television productions or similar use.