To achieve EU REACH compliance, companies must demonstrate evidence of a robust, ongoing compliance program with incremental improvement, which includes the collection of supplier data and documentation.

Data required to comply with the REACH Regulation, which came into effect in mid-2007, centers around Candidate List substances of very high concern (SVHCs), certain authorized substances used in EU manufacturing (Annex XIV), and restricted chemicals (Annex XVII), which are listed by the European Chemicals Agency (ECHA) at the request of member states or the European Commision.

Companies must audit their products and parts against the substances that are restricted from being manufactured, marketed, or used across the EU, and meet restriction conditions for entry. If substances are on the Authorisation List, companies must gain appropriate authorization in order to use these substances in the EU.