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

If a sub­stance is sub­ject to the ob­lig­a­tion to no­ti­fy be­cause it is no longer re­gistered in ac­cord­ance with Art­icle 5 of the REACH Reg­u­la­tion⁷², the man­u­fac­turer may con­tin­ue to place it on the mar­ket without no­ti­fic­a­tion un­til the end of the cal­en­dar year fol­low­ing that in which its re­gis­tra­tion status changes. The No­ti­fic­a­tion Au­thor­ity may ex­tend the peri­od by a max­im­um of two years in re­sponse to a jus­ti­fied re­quest.