The REACH regulation became a part of the EEA agreement 14. March 2008. Registration timelines are dependent upon tonnage bands and hazard classifications.
| 1. June 2007 | REACH entered into force in EU |
| 1. June 2007 | The European Chemicals Agency (ECHA) was established in Finland |
| 1. June – 1. December 2008 | Pre-registration of existing substances |
| 1. June 2008 | Registration of new substances which have not been notified before |
| 1. December 2010 | 1st deadline for complete registration of pre-registered substances |
| 1. June 2013 | 2nd deadline for complete registration of pre-registered substances |
| 1. June 2018 | 3d deadline for complete registration of pre-registered substances |
