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

¹ If im­port­ant new in­form­a­tion on a sub­stance or pre­par­a­tion be­comes avail­able, the man­u­fac­turer must up­date the safety data sheet without delay.

² The sup­pli­er must make the up­dated safety data sheet avail­able to all pro­fes­sion­al users or traders sup­plied with the sub­stance or pre­par­a­tion con­cerned with­in the pre­vi­ous twelve months.

³ Para­graph 2 does not ap­ply to safety data sheets provided through re­tail out­lets.