Ordinance
on Protection against Dangerous Substances and Preparations
(Chemicals Ordinance, ChemO)

¹ Man­u­fac­tur­ers are re­quired to up­date doc­u­ments con­tinu­ously with new in­form­a­tion rel­ev­ant to health and the en­vir­on­ment for as long as they con­tin­ue to place on the mar­ket the sub­stance, pre­par­a­tion or ob­ject con­tain­ing dan­ger­ous con­stitu­ents.

² They must re­tain or en­sure the avail­ab­il­ity of the main doc­u­ments used in the as­sess­ment and clas­si­fic­a­tion, to­geth­er with the res­ults of the as­sess­ment and clas­si­fic­a­tion, for at least ten years after the products are last placed on the mar­ket. They must re­tain samples and spe­ci­mens for as long as their con­di­tion al­lows them to be ana­lysed.